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(O1+0<,1.&&& , - 1 - ,//1Y*:?;<;=>7?@7AXBlCDEF8GH_IJRKL>MN7OP=QR[STUV Whb$N|^ `˲-zb$ísGkz|+c-z$z2$ cЕkS#z2$AzZ86%zb$<.CwDɦ[z2$wW4U!Lc zb$ku<ܖ\rp>zb$Ak] 4Vzb$%OIفP:hz"$BThjd_HG1z"$BRf 7f4z"$0t|q̓B78z"$mu0fsB[F?0=z _ж_ж1?pfFff@f8> g4IdIdb0b\ ppp@ <4BdBd8v8bf\ r*g4(d(db0b p@ pp? %O ="+Spanningen en stromen bij digitale signalenOriginele presentatie van Peet Ferwerda van Friesland College (NL), aangepast en aangevuld door Dirk Smets, Katholieke Hogeschool Limburg - dep. IWT (B), >/ Menu  Wat zit er in een IC? Wat zit er in een IC? Wat zit er in een IC? Wat zit er in een IC?  Wat zit er in een IC?  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Klik om het  l  C DA,C:\PLAATJES\print.BMPN  6޽h? ? f33 Eigentijds4"   !!P .$N!(  $X $ 0?P X $ 0?00X2 $ 0?J+UtX2 $ 0?+UX2 $ 0?j+UX2 $ 0?+UX2  $ 0?+UDX2  $ 0?+UX2  $ 0?:+UcX2  $ 0?+UX2  $ 0?[+UdL + j $# j+ Z2 $ s *?+ jU Z2 $ s *? j Z2 $ s *?+jTZ2 $ s *?jZ2 $ s *?+jUZ2 $ s *?jZ2 $ s *?+jUZ2 $ s *?jX2 $ 0?+U#L    $#   B $ c BC DEF?pp"-<HbutP}@w,riiiigglu{rke\ApbSF=843k"S-:4!4 *&3: {q"h(a(a*^*^*^-\/V3S4S=OCMHMNJQJSHYCY?Q2Q2Q/Q/Q+Q+Q)N)N&HA= <)^X2!n`-J3ro@Z c   $ c B8CDExF?#'(,.#pbW UW#`,g3t7k7b7]7U3%.'nEw k^RG>!7#-!*$#(3>GLLw8i(\QF:/&-8?JXi{}u}lgccaaglnnnlllH8*yl ^SE84443 !* 8888:HWcnnnnr   !!$$$/8CPWY^bbbglnr!t#w&w*t,t1r5g1\&PC:!4&+,(1*5+6+:/:8:=<?ACJCJ?N=S=SGNSY[denune^SH;1&&+16:?HJJJJ?O,M7D>;G6U6`?kJvXer|{{* 4>?]Nv^n}}l\N?3$'2;BFKQV_l|zjXDXj|?bufV/FL2e}rbN>-#}#|#xxvj#_#W$M-37CYepw#=@@{  z $ c JB?CIDE\Fd?*A:H>H>C:A:>,8%-"   -8*A/0@ Q[  $ Nt|gֳgֳ ?0 v k7Klik om het opmaakprofiel van de modeltitel te bewerken8 8 $ H|gֳgֳ ? p v p<Klik om het opmaakprofiel van de modelondertitel te bewerken= = $ Z4}1 ?`` v C* 2 $ Z}1 ?`  v E*(2  $ Z}1 ?`  v E*(2l !$ C DA,C:\PLAATJES\print.BMP00N $ 6޽h? ? f33 0 0$(    08 P    Y*   09     [* d  c $ ?     0d9  @  nKlik om het opmaakprofiel van de modeltekst te bewerken Tweede niveau Derde niveau Vierde niveau Vijfde niveau o  64z `P   Y*   6z `   [* H  0޽h ? ̙33^  @ ( w  r  S T~$ @0 v x  c $~$0 `  v    ft1?@PP,$D 0 DKlik op deze toets  0`l$000j  BA ?`XH  0޽h ? ̙33T    9(|( 04C5 ( (  `1gֳgֳ ?  `   1 .( 3 r2_ж_ж1?0@00 GWat zit er in een IC? /( C x3_ж_жf1?pP - Voer de onderstaande onderdelen n voor n uit. - Onthoud, als je stopt, waar je bent gebleven. Voer in geval van twijfel een onderdeel meerdere malen uit. f$ 0( c d3_ж_ж1?`" 11- 1( 3 r$4_ж_ж1?`  ~ @?00 CStromen in en uit 2( c 4_ж_ж1?` PZ  13& 3( 3 rD5_ж_ж1?  . @100 < De FAN-OUT   4( c 5_ж_ж1? P  14# 5( 3 r6_ж_жF1? @00 9Stoppen. 6( 3 r6_ж_ж1?  @00 DAndere belastingen 7( c $7_ж_ж1? `" 156 8( C x7_ж_ж1? @800 FSpanningen in en uit 9( c D8_ж_ж1?`" 12H ( 0޽h ? f33   @E4( im 4 4 0l$D000 4  `Dgֳgֳ ? `@    )4 C x_ж_жf1? 0P In een digitaal IC zitten transistoren (TTL logic) of FETs (HCT logic). Wat er precies in zit is niet belangrijk. Maar hoe de ingangen en uitgangen werken is wel van belang! Dit heeft namelijk te maken met de manier waarop we IC s aansluiten. Bovenstaande figuur komt uit de datasheet van de 74HCT00. (http://eu.st.com/stonline/products/selector/index.htm),e-7+G D4 s _ж_жA  ?1?@ f^   j E4 BA ?0pH 4 0޽h ? f33v   P<( im < < 0l$D000 <  `gֳgֳ ? `@    < C xd_ж_жf1? 0P,$D0 2De ingangen van alle HCT IC s kunnen we voorstellen als diodes in sper. Of de ingang nu 1 (UIN = 5V = UCC) is of 0 (UIN = 0V = GND), de diodes geleiden nooit. De weerstand van de diodes is dan zeer hoog! Door een ingang van een HCT IC loopt altijd slechts een zr kleine stroom!n\     UKf < s _ж_жA  ?1?@ f^   j < BA ?0pB < C x_ж_ж1? p P ,$D 0H < 0޽h ? f33   e]`@( im @ @ 0l$D000 @  `gֳgֳ ? `@    @ C x$_ж_жf1?p0,$D0 5De uitgang van dit IC wordt gemaakt door 2 FETs. Dit zijn bijzondere transistoren. De FETs worden altijd zo aangestuurd dat ze of sperren of geheel geleiden. En van beide spert en de andere geleidt.,+'m @ s _ж_жA  ?1?@ f^   j @ BA ?0pB @ C x_ж_ж1? p P ,$D 0H @ 0޽h ? f33-!     p*.8U ( " ( 8 8 0l$D000 8  `gֳgֳ ? `@    8 # l1?q ja  :  8  f1?!k A 8  D_ж_ж1??pPW QUCC2 8  f1?pk B  8 3 r_ж_жD1?A pB  8@ c _ж_жD1??Z   8 c _ж_ж1? J  5inputB  8 C x_ж_жD1?a aB  8 S ~_ж_жD1?a !B 8 C x_ж_жD1?aQB 8 S ~_ж_жD1?QQB 8 S ~_ж_жDԔ?B 8 S ~_ж_жD1?B 8 S ~_ж_жD1?qB 8@ C x_ж_жD1?B 8 C x_ж_жD1?B 8 S ~_ж_жD1?B 8 S ~_ж_жDԔ?a B 8 S ~_ж_жD1?! ! B 8 S ~_ж_жD1?!  B 8@ C x_ж_жD1?B 8 S ~_ж_жD1?  B 8 S ~_ж_жD1?  B 8 C x_ж_жD1?  8 c _ж_ж1?O 6 2Ra 8 c d_ж_ж1?1   LRb 8 c _ж_ж1?J\ 2T1  8 c $_ж_ж1?jJ\Q  2T2 "8 c _ж_ж1? Z  AGND"fB #8 S ~_ж_жD1? $8 c _ж_ж1?| 6outputB %8 S ~_ж_жDo?: B &8 S ~_ж_жDfo? :   '8 c D_ж_ж1? 7  B+ 5V" (8 c _ж_ж1?p . P W  @0V"f )8 C x_ж_жf1? 0 "In de rest van dit instructieprogramma gaan we het IN en OUT schema vervangen door de groene afbeelding. Nogmaals: er zit meer in het IC. Dit is alleen een weergave van de ingangs- en uitgangsschakelingen. *8 s _ж_жA  ?1?   B ,8 S ~_ж_жD1?  B -8 S ~_ж_жD1?gH 8 0޽h ? f33D!     *+Ll (  L L 0l$D000 L  `dgֳgֳ ? `@    L # l1?q ja  :  L  f1?!k A L  $_ж_ж1??pPW QUCC2 L  f1?pk B L 3 r_ж_жD1?A pB  L@ c _ж_жD1??Z   L c _ж_ж1? J  5inputB  L C x_ж_жD1?a aB  L S ~_ж_жD1?a !B  L C x_ж_жD1?aQB L S ~_ж_жD1?QQB L S ~_ж_жDԔ?B L S ~_ж_жD1?B L S ~_ж_жD1?qB L@ C x_ж_жD1?B L C x_ж_жD1?B L S ~_ж_жD1?B L S ~_ж_жDԔ?a B L S ~_ж_жD1?! ! B L S ~_ж_жD1?!  B L@ C x_ж_жD1?B L S ~_ж_жD1?  B L S ~_ж_жD1?  B L C x_ж_жD1?  L c _ж_ж1?O 6 2Ra L c D_ж_ж1?1   LRb L c _ж_ж1?J\ 2T1 L c _ж_ж1?jJ\Q  2T2  L c d_ж_ж1? Z  AGND"fB !L S ~_ж_жD1? "L c B_ж_ж1?| 6outputB #L S ~_ж_жDo?: B $L S ~_ж_жDfo? :   %L c _ж_ж1? g  B+ 5V" &L c T_ж_ж1?p . P W  @0V"fg 'L C x_ж_жFf1?p0 Dit is het laatste scherm van dit onderdeel. Je kan terug naar het menu (huisje) of verder met het volgende onderdeel: Spanningen IN en OUT.B )L S ~_ж_жD1?  B *L S ~_ж_жD1?g@ +L  `1?0l$D0$00 < H L 0޽h ? f33!   ,!$!*0D ( w  D D 0l$D000 D  `tgֳgֳ ?     +D C xԁ_ж_жFf1?P0 ` ,$D 0 We gaan uit van het vervangingsschema van de in- en uitgang. Het is toepasbaar op alle logische families : HCT, TTL, LS, S, F, etc.]8  p`  0D N  D # l41? qNa  :  D  f1?O ! A D  f1?O p B D 3 r_ж_жD1?~ A~ pB  DB c _ж_жD1??> ~   D c _ж_ж1? .  5inputB  D C x_ж_жD1?~ aaB  D S ~_ж_жD1?~ a~ !B  D C x_ж_жD1?aQB D S ~_ж_жD1?QQB D S ~_ж_жDԔ?B D S ~_ж_жD1?B D S ~_ж_жD1?qB DB C x_ж_жD1?B D C x_ж_жD1?B D S ~_ж_жD1?B D S ~_ж_жDԔ?a B D S ~_ж_жD1?! ! B D S ~_ж_жD1?!  B DB C x_ж_жD1?B D S ~_ж_жD1?~  B D S ~_ж_жD1?  B D C x_ж_жD1?~ ~  D c _ж_ж1? O6 2Ra D c T_ж_ж1? 1  LRb D c _ж_ж1?.@ 2T1 D c _ж_ж1?.j@Q  2T2B !D S ~_ж_жD1? "D c t_ж_ж1?~` 6outputB #D S ~_ж_жDo? B $D S ~_ж_жDfo?  B )D S ~_ж_жD1?  B *D S ~_ж_жD1?g ,D c Ԅ_ж_ж1? Z  AGND"f -D c 4_ж_ж1?. p P W  @0V"f .D  _ж_ж1??PpW QUCC2 /D c _ж_ж1? 7  B+ 5V"H D 0޽h ? f33J/ :  ..:>Tr.( w T T 0l$D 000/ T C xT_ж_жf1? g ;De uitgang wordt logisch 1 (H) als T1 geleidt en T2 spert. <<; T  f1?0   :  T  f1?Q T  f1?Q6 B T 3 r_ж_жD1?    T c _ж_ж1?f6M 5inputB  T C x_ж_жD1? 0B  T C x_ж_жD1?  B  T C x_ж_жD1?B  T S ~_ж_жD1?@B T S ~_ж_жDԔ?@@B T S ~_ж_жD1?W@WB T@ C x_ж_жD1?WB T@ C x_ж_жD1?'@'B T C x_ж_жD1?gB T S ~_ж_жD1?g@gB T S ~_ж_жDԔ?@@' B T S ~_ж_жD1?@B T S ~_ж_жD1? B T@ C x_ж_жD1?@B T C x_ж_жD1?P `P B T S ~_ж_жD1?W G B T C x_ж_жD1?6  G  T c t_ж_ж1? 2Ra T c ԇ_ж_ж1? LRb T c 4_ж_жf1? ~ 2T1 T c _ж_ж1?  2T2B T S ~_ж_жD1?@   T c _ж_ж1?f  M 6outputB !T C x_ж_жDo?-B0 0B "T C x_ж_жDfo? 0  #T c _ж_ж1?@[` 'De uitgang (output)B $T@ S ~_ж_жD1?"B %T C x_ж_жD1?000B &T C x_ж_жD1?0B 'T S ~_ж_жD1?P `` B (T C x_ж_жD1?P `P 2 )T S ~_ж_ж1?l 0  1VB *T S ~_ж_жD1?` ` pB +T S ~_ж_жDf1? ` ` B ,T S ~_ж_жDfo? B -T S ~_ж_жD1?@ ` ` /T c $A ??P`   0T s t_ж_ж1??@p' UUCC6 1T c Ԋ_ж_ж1?W B+ 5V" 2T c 4_ж_ж1? p  AGND"f 3T c _ж_ж1?   @0V"f 5T c gֳgֳ ? `@   A 7T c $_ж_ж1?`p,$D0 YUOH: f f f+ 8T S ~_ж_ж1?  B@,$D0 I U is spanning f $ 9T S ~D_ж_ж1? ,$D0 BOutput f8 :T S ~_ж_ж1?P 'V ,$D0 VOutput is High = 1( fB ;T@ S ~_ж_жDo?p,$D 0B T C xd_ж_жf1? i,$D0 De uitgang wordt logisch 1 (H) als T1 geleidt en T2 spert. We krijgen op de uitgang een hoge spanning, die we symbolisch noteren als : UOHBffH T 0޽h ? f33( ;  F(>(4:\'(   \ \ 0l$D000 \ C x$_ж_жf1? F De uitgang wordt logisch 1 (H) als T1 geleidt en T2 spert. We noteren dit als : UOH Kan deze spanning exact gelijk worden aan +5 Volt ?PPfff4 \  f1?0   :  \  f1?Q \  f1?Q6 B \ 3 r_ж_жD1?   \ c _ж_ж1?f6M 5inputB  \ C x_ж_жD1? 0B  \ C x_ж_жD1?  B  \ C x_ж_жD1?B  \ S ~_ж_жD1?@B  \ S ~_ж_жDԔ?@@B \ S ~_ж_жD1?W@WB \@ C x_ж_жD1?WB \@ C x_ж_жD1?'@'B \ C x_ж_жD1?gB \ S ~_ж_жD1?g@gB \ S ~_ж_жDԔ?@@' B \ S ~_ж_жD1?@B \ S ~_ж_жD1? B \@ C x_ж_жD1?@B \ C x_ж_жD1?P `P B \ S ~_ж_жD1?W G B \ C x_ж_жD1?6  G  \ c D_ж_ж1? 2Ra \ c _ж_ж1? LRb \ c _ж_жf1? ~ 2T1 \ c d_ж_ж1?  2T2B \ S ~_ж_жD1?@  \ c _ж_ж1?f  M 6outputB  \ C x_ж_жDo?-B0 0B !\ C x_ж_жDfo? 0  "\ c _ж_ж1?@[` 'De uitgang (output)B #\@ S ~_ж_жD1?"B $\ C x_ж_жD1?000B %\ C x_ж_жD1?0B &\ S ~_ж_жD1?P `` B '\ C x_ж_жD1?P `P 2 (\ S ~_ж_ж1?l 0  1VB )\ S ~_ж_жD1?` ` pB *\ S ~_ж_жDf1? ` ` B +\ S ~_ж_жDfo? B ,\ S ~_ж_жD1?@ `  -\ c D_ж_ж1?P 2 ,$D 0 5V ?` .\ c $A ??P`   /\ s _ж_ж1??@p' UUCC6 0\ c _ж_ж1?W B+ 5V" 1\ c d_ж_ж1? p  AGND"f 2\ c _ж_ж1?   @0V"f 3\ c $gֳgֳ ? `@   A 4\ c _ж_ж1?`p,$0 YUOH: f f fH \ 0޽h ? f33, <  .,&,66d+( (.j8.j d d 0l$D000  5d C xD_ж_жf1?,$0 1De fabrikant zal een waarde opgeven waaraan deze spanning zeker zal voldoen; hij zegt dat de spanning op de uitgang als deze hoog is steeds MINSTENS gelijk zal zijn aan zoveel Volt en duidt dit aan met UOH,MIN .B  d C x_ж_жf1? ,$0 "Neen! Er zullen intern in het IC steeds spanningsvallen optreden, omdat er stromen vloeien door weerstanden enz. Daarom zal UOH steeds een beetje lager zijn dan de gebruikte voedingsspanning UCC .B} A  d  f1?0   :  d  f1?Q d  f1?Q6 B d 3 r_ж_жD1?   d c d_ж_ж1?f6M 5inputB  d C x_ж_жD1? 0B  d C x_ж_жD1?  B  d C x_ж_жD1?B  d S ~_ж_жD1?@B  d S ~_ж_жDԔ?@@B d S ~_ж_жD1?W@WB d@ C x_ж_жD1?WB d@ C x_ж_жD1?'@'B d C x_ж_жD1?gB d S ~_ж_жD1?g@gB d S ~_ж_жDԔ?@@' B d S ~_ж_жD1?@B d S ~_ж_жD1? B d@ C x_ж_жD1?@B d C x_ж_жD1?P `P B d S ~_ж_жD1?W G B d C x_ж_жD1?6  G  d c d_ж_ж1? 2Ra d c Ć_ж_ж1? LRb d c $_ж_жf1? ~ 2T1 d c _ж_ж1?  2T2B d S ~_ж_жD1?@  d c 䇗_ж_ж1?f  M 6outputB  d C x_ж_жDo?-B0 0B !d C x_ж_жDfo? 0  "d c _ж_ж1?@[` 'De uitgang (output)B #d@ S ~_ж_жD1?"B $d C x_ж_жD1?000B %d C x_ж_жD1?0B &d S ~_ж_жD1?P `` B 'd C x_ж_жD1?P `P 2 (d S ~_ж_ж1?l 0  1VB )d S ~_ж_жD1?` ` pB *d S ~_ж_жDf1? ` ` B +d S ~_ж_жDfo? B ,d S ~_ж_жD1?@ ` C -d c ĉ_ж_ж1?P  ,$D  0 [ UOH < UCC6 ` .d c $A ??P`   /d s $_ж_ж1??@p' UUCC6 0d c _ж_ж1?W B+ 5V" 1d c 䊗_ж_ж1? p  AGND"f 2d c D_ж_ж1?   @0V"f 3d c gֳgֳ ? `@   A 4d c _ж_ж1?`p,$0 YUOH: f f f& 6d C xd_ж_ж1?PE,$D 0 J,MIN* f fH d 0޽h ? f33() =  ((46lP((   l l 0l$D000 l C x$_ж_жf1?w s,$0 hVoor TTL-IC s bedraagt deze waarde: UOH,MIN = 2,4 V@5%  ' l  f1?0   :  l  f1?Q l  f1?Q6 B l 3 r_ж_жD1?    l c 䍗_ж_ж1?f6M 5inputB  l C x_ж_жD1? 0B  l C x_ж_жD1?  B  l C x_ж_жD1?B  l S ~_ж_жD1?@B l S ~_ж_жDԔ?@@B l S ~_ж_жD1?W@WB l@ C x_ж_жD1?WB l@ C x_ж_жD1?'@'B l C x_ж_жD1?gB l S ~_ж_жD1?g@gB l S ~_ж_жDԔ?@@' B l S ~_ж_жD1?@B l S ~_ж_жD1? B l@ C x_ж_жD1?@B l C x_ж_жD1?P `P B l S ~_ж_жD1?W G B l C x_ж_жD1?6  G  l c D_ж_ж1? 2Ra l c _ж_ж1? LRb l c _ж_жf1? ~ 2T1 l c d_ж_ж1?  2T2B l S ~_ж_жD1?@   l c ď_ж_ж1?f  M 6outputB !l C x_ж_жDo?-B0 0B "l C x_ж_жDfo? 0  #l c _ж_ж1?@[` 'De uitgang (output)B $l@ S ~_ж_жD1?"B %l C x_ж_жD1?000B &l C x_ж_жD1?0B 'l S ~_ж_жD1?P `` B (l C x_ж_жD1?P `P 2 )l S ~䐗_ж_ж1?l 0  1VB *l S ~_ж_жD1?` ` pB +l S ~_ж_жDf1? ` ` B ,l S ~_ж_жDfo? B -l S ~_ж_жD1?@ ` P .l c _ж_ж1?P y ,$D 0 hUOH 2,4 V6 ` /l c $A ??P`   0l s _ж_ж1??@p' UUCC6 1l c _ж_ж1?W B+ 5V" 2l c t_ж_ж1? p  AGND"f 3l c _ж_ж1?   @0V"f 4l c 4gֳgֳ ? `@   E 5l c _ж_ж1?`p$,$0 ]UOH,MIN: f f fH l 0޽h ? f330 >  y0q0 :kx0 /(  x x 0l$D 000/ x C xT_ж_жf1? g ;De uitgang wordt logisch 1 (H) als T1 geleidt en T2 spert. <<; "x c _ж_ж1?@[` 'De uitgang (output) 2x c tgֳgֳ ? `@   A 3x c _ж_ж1?`p,$D0 YUOL: f f f+ 4x S ~_ж_ж1?  B@,$D0 I U is spanning f $ 5x S ~_ж_ж1? ,$D0 BOutput fY 6x S ~_ж_ж1?P 'V ,$D0 wOutput is Low = 0( f B 7x@ S ~_ж_жDo?p,$D 0B 8x S ~_ж_жDo?,$D 0B 9x S ~_ж_жDo?P ,$D 0 :x C x_ж_жf1? ,$D0 SDe uitgang wordt logisch 0 (L) als T2 geleidt en T1 spert. We noteren dit als : UOLBTPff"8 0  kx0 B bx c _ж_жDfo? 2 _x c t_ж_ж1? l0  1V x # l1?Q6 B ?x C x_ж_жD1?   @x s 4_ж_ж1?6fM 5inputB Ax S ~_ж_жD1? 0B Bx S ~_ж_жD1?  B Cx S ~_ж_жD1?B Dx c _ж_жD1?@B Ex c _ж_жDԔ?@@B Fx c _ж_жD1?@WWB GxB S ~_ж_жD1?WB HxB S ~_ж_жD1?'@'B Ix S ~_ж_жD1?gB Jx c _ж_жD1?@ggB Kx c _ж_жDԔ?@@' B Lx c _ж_жD1?@B Mx c _ж_жD1? B NxB S ~_ж_жD1?@B Ox S ~_ж_жD1? P `P B Px c _ж_жD1?W G B Qx S ~_ж_жD1? 6 G  Rx s _ж_ж1? 2Ra Sx s _ж_ж1? LRb Tx s T_ж_жf1? ~ 2T1 Ux s _ж_ж1?  2T2B Vx c _ж_жD1?@  Wx s  _ж_ж1? f M 6outputB Xx S ~_ж_жDo?B-0 0B Yx S ~_ж_жDfo? 0 B ZxB c _ж_жD1?"B [x S ~_ж_жD1?000B \x S ~_ж_жD1?0B ]x c _ж_жD1?`P ` B ^x S ~_ж_жD1?`P P B `x c _ж_жD1?` ` pB ax c _ж_жDf1?` ` B cx c _ж_жD1?@ ` n ex s *A ??Pp  fx s t _ж_ж1?W B+ 5V" gx s _ж_ж1?p   AGND"f hx s 4 _ж_ж1?   @0V"fH x 0޽h ? f330+ ?  **@5X*( w   0l$D000   C x _ж_жf1? ,$0 DOok hier zal de uitgangsspanning nooit helemaal gelijk aan 0 V kunnen worden. De fabrikant zal nu zeggen dat de spanning op de uitgang als deze laag is steeds MAXIMAAL gelijk zal zijn aan zoveel Volt en duidt dit aan met UOL,MAX .B  # c _ж_ж1?@[` 'De uitgang (output)1 . c Dp_ж_ж1?P  ,$D  0 I UOL > 0 V$  4 c pgֳgֳ ? `@   A 5 c q_ж_ж1?`p,$0 YUOL: f f f& 6 C xdq_ж_ж1?P,$D 0 J,MAX* f f!F 0  d 0 B e S ~_ж_жDfo? 2 f S ~q_ж_ж1? l0  1V g  f$r1?0   :  h  f1?Q i  f1?Q6 B j 3 r_ж_жD1?   k c r_ж_ж1?6fM 5inputB l C x_ж_жD1? 0B m C x_ж_жD1?  B n C x_ж_жD1?B o S ~_ж_жD1?@B p S ~_ж_жDԔ?@@B q S ~_ж_жD1?@WWB rB C x_ж_жD1?WB sB C x_ж_жD1?'@'B t C x_ж_жD1?gB u S ~_ж_жD1?@ggB v S ~_ж_жDԔ?@@' B w S ~_ж_жD1?@B x S ~_ж_жD1? B yB C x_ж_жD1?@B z C x_ж_жD1? P `P B { S ~_ж_жD1?W G B | C x_ж_жD1? 6 G  } c r_ж_ж1? 2Ra ~ c Ds_ж_ж1? LRb  c s_ж_жf1? ~ 2T1  c t_ж_ж1?  2T2B  S ~_ж_жD1?@   c dt_ж_ж1? f M 6outputB  C x_ж_жDo?B-0 0B  C x_ж_жDfo? 0 B B S ~_ж_жD1?"B  C x_ж_жD1?000B  C x_ж_жD1?0B  S ~_ж_жD1?`P ` B  C x_ж_жD1?`P P B  S ~_ж_жD1?` ` pB  S ~_ж_жDf1?` ` B  S ~_ж_жD1?@ ` h  c $A ??Pp   c t_ж_ж1?W B+ 5V"  c $u_ж_ж1?p   AGND"f  c u_ж_ж1?   @0V"fH  0޽h ? f33) @  _)W)`47(( ,   0l$D000  c v_ж_ж1?@[` 'De uitgang (output)  c wgֳgֳ ? `@   E  c dw_ж_ж1?`pI,$0 ]UOL,MAX: f f f!F 0    0 B   S ~_ж_жDfo? 2   S ~w_ж_ж1? l0  1V    f$x1?0   :     f1?Q   f1?Q6 B  3 r_ж_жD1?    c x_ж_ж1?6fM 5inputB  C x_ж_жD1? 0B  C x_ж_жD1?  B  C x_ж_жD1?B  S ~_ж_жD1?@B  S ~_ж_жDԔ?@@B  S ~_ж_жD1?@WWB B C x_ж_жD1?WB B C x_ж_жD1?'@'B  C x_ж_жD1?gB  S ~_ж_жD1?@ggB  S ~_ж_жDԔ?@@' B  S ~_ж_жD1?@B  S ~_ж_жD1? B B C x_ж_жD1?@B  C x_ж_жD1? P `P B   S ~_ж_жD1?W G B ! C x_ж_жD1? 6 G  " c x_ж_ж1? 2Ra # c Dy_ж_ж1? LRb $ c y_ж_жf1? ~ 2T1 % c z_ж_ж1?  2T2B & S ~_ж_жD1?@  ' c dz_ж_ж1? f M 6outputB ( C x_ж_жDo?B-0 0B ) C x_ж_жDfo? 0 B *B S ~_ж_жD1?"B + C x_ж_жD1?000B , C x_ж_жD1?0B - S ~_ж_жD1?`P ` B . C x_ж_жD1?`P P B / S ~_ж_жD1?` ` pB 0 S ~_ж_жDf1?` ` B 1 S ~_ж_жD1?@ ` h 2 c $A ??Pp  3 c z_ж_ж1?W B+ 5V" 4 c ${_ж_ж1?p   AGND"f 5 c {_ж_ж1?   @0V"f 6 C xϙ_ж_жf1?w s,$0 hVoor TTL-IC s bedraagt deze waarde: UOL,MAX = 0,4 V@5%  'P 7 c Й_ж_ж1?P k ,$D 0 hUOL 0,4 V6 H  0޽h ? f33Q# A  ""+^y"( [`Z   0l$D000  c dљgֳgֳ ? `@   & 3 C xљ_ж_жf1? ,$0 JSAMENGEVAT: Voor TTL-IC s bedragen de uitgangsspanningen: UOL,MAX = 0,4 V UOH,MIN = 2,4 VX[ 1    AkF  p`  5  N  6 # l$ҙ1? qNa  :  7  f1?O ! A 8  f1?O p B 9 3 r_ж_жD1?~ A~ pB :B c _ж_жD1??> ~  ; c ҙ_ж_ж1? .  5inputB < C x_ж_жD1?~ aaB = S ~_ж_жD1?~ a~ !B > C x_ж_жD1?aQB ? S ~_ж_жD1?QQB @ S ~_ж_жDԔ?B A S ~_ж_жD1?B B S ~_ж_жD1?qB CB C x_ж_жD1?B D C x_ж_жD1?B E S ~_ж_жD1?B F S ~_ж_жDԔ?a B G S ~_ж_жD1?! ! B H S ~_ж_жD1?!  B IB C x_ж_жD1?B J S ~_ж_жD1?~  B K S ~_ж_жD1?  B L C x_ж_жD1?~ ~  M c ҙ_ж_ж1? O6 2Ra N c Dә_ж_ж1? 1  LRb O c ә_ж_ж1?.@ 2T1 P c ԙ_ж_ж1?.j@Q  2T2B Q S ~_ж_жD1? R c dԙ_ж_ж1?~` 6outputB S S ~_ж_жDo? B T S ~_ж_жDfo?  B U S ~_ж_жD1?  B V S ~_ж_жD1?g W c ԙ_ж_ж1? Z  AGND"f X c $ՙ_ж_ж1?. p P W  @0V"f Y  ՙ_ж_ж1??PpW QUCC2 Z c ՙ_ж_ж1? 7  B+ 5V" ^ c _ж_жA ?1?  8 $D0H  0޽h ? f33! B  H!@!*Q (    0l$D000  c ֙gֳgֳ ? `@   E  C xי_ж_жf1?w s,$0 i-En hoe zit dit aan de zijde van de INGANG ?  .-z  p`  ,  N ,$D 0 - # ldי1? qNa  :  .  f1?O ! A /  f1?O p B 0 3 r_ж_жD1?~ A~ pB 1B c _ж_жD1??> ~  2 c י_ж_ж1? .  5inputB 3 C x_ж_жD1?~ aaB 4 S ~_ж_жD1?~ a~ !B 5 C x_ж_жD1?aQB 6 S ~_ж_жD1?QQB 7 S ~_ж_жDԔ?B 8 S ~_ж_жD1?B 9 S ~_ж_жD1?qB :B C x_ж_жD1?B ; C x_ж_жD1?B < S ~_ж_жD1?B = S ~_ж_жDԔ?a B > S ~_ж_жD1?! ! B ? S ~_ж_жD1?!  B @B C x_ж_жD1?B A S ~_ж_жD1?~  B B S ~_ж_жD1?  B C C x_ж_жD1?~ ~  D c $ؙ_ж_ж1? O6 2Ra E c ؙ_ж_ж1? 1  LRb F c ؙ_ж_ж1?.@ 2T1 G c Dٙ_ж_ж1?.j@Q  2T2B H S ~_ж_жD1? I c ٙ_ж_ж1?~` 6outputB J S ~_ж_жDo? B K S ~_ж_жDfo?  B L S ~_ж_жD1?  B M S ~_ж_жD1?g N c ڙ_ж_ж1? Z  AGND"f O c dڙ_ж_ж1?. p P W  @0V"f P  ڙ_ж_ж1??PpW QUCC2 Q c $ۙ_ж_ж1? 7  B+ 5V"H  0޽h ? f33?0 C  //6=g/(    0l$D 000  c Qgֳgֳ ? `@   z  p`    N ,$0  # l4R1? qNa  :    f1?O ! A   f1?O p B   3 r_ж_жD1?~ A~ pB  B c _ж_жD1??> ~    c R_ж_ж1? .  5inputB   C x_ж_жD1?~ aaB   S ~_ж_жD1?~ a~ !B  C x_ж_жD1?aQB  S ~_ж_жD1?QQB  S ~_ж_жDԔ?B  S ~_ж_жD1?B  S ~_ж_жD1?qB B C x_ж_жD1?B  C x_ж_жD1?B  S ~_ж_жD1?B  S ~_ж_жDԔ?a B  S ~_ж_жD1?! ! B  S ~_ж_жD1?!  B B C x_ж_жD1?B  S ~_ж_жD1?~  B  S ~_ж_жD1?  B  C x_ж_жD1?~ ~   c R_ж_ж1? O6 2Ra  c TS_ж_ж1? 1  LRb  c S_ж_ж1?.@ 2T1   c T_ж_ж1?.j@Q  2T2B ! S ~_ж_жD1? " c tT_ж_ж1?~` 6outputB # S ~_ж_жDo? B $ S ~_ж_жDfo?  B % S ~_ж_жD1?  B & S ~_ж_жD1?g ' c T_ж_ж1? Z  AGND"f ( c 4U_ж_ж1?. p P W  @0V"f )  U_ж_ж1??PpW QUCC2 * c U_ж_ж1? 7  B+ 5V" + C xTV_ж_жf1? ,$0 'Wanneer er op de ingang een spanning wordt aangesloten die hoger is dan UIH,MIN, dan zal lk IC van de gegeven familie dit als een logische 1 beschouwen.P; KY> , c W_ж_ж1?@` %De ingang (input)E - c tW_ж_ж1?P,$D 0 ]UIH,MIN: f f f . C xW_ж_жf1?,$D 0 hVoor TTL-IC s bedraagt deze waarde: UIH,MIN = 2,0 V@5%  (+ / S ~X_ж_ж1?P"p,$D0 I U is spanning f # 0 S ~X_ж_ж1?  ,$D0 AInput f7 1 S ~Y_ж_ж1?  ,$D0 UInput is High = 1( fB 2@ S ~_ж_жDo?P ,$D 0B 3 S ~_ж_жDo?p,$D 0B 4 S ~_ж_жDo?@ ,$D 0 ; C xtZ_ж_ж1?p ,$D 0 UI UIH,MINr f ffff f fB < S ~_ж_жDjJ?P` P,$D  0" = C xZ_ж_ж1?P,$D  0 F 1 $ fH  0޽h ? f33k0 D  0/66/(    0l$D 000  c [gֳgֳ ? `@   z  p`    N ,$0  # l[1? qNa  :    f1?O ! A   f1?O p B  3 r_ж_жD1?~ A~ pB  B c _ж_жD1??> ~    c T\_ж_ж1? .  5inputB   C x_ж_жD1?~ aaB   S ~_ж_жD1?~ a~ !B   C x_ж_жD1?aQB  S ~_ж_жD1?QQB  S ~_ж_жDԔ?B  S ~_ж_жD1?B  S ~_ж_жD1?qB B C x_ж_жD1?B  C x_ж_жD1?B  S ~_ж_жD1?B  S ~_ж_жDԔ?a B  S ~_ж_жD1?! ! B  S ~_ж_жD1?!  B B C x_ж_жD1?B  S ~_ж_жD1?~  B  S ~_ж_жD1?  B  C x_ж_жD1?~ ~   c \_ж_ж1? O6 2Ra  c ]_ж_ж1? 1  LRb  c t]_ж_ж1?.@ 2T1  c 4D_ж_ж1?.j@Q  2T2B   S ~_ж_жD1? ! c D_ж_ж1?~` 6outputB " S ~_ж_жDo? B # S ~_ж_жDfo?  B $ S ~_ж_жD1?  B % S ~_ж_жD1?g & c D_ж_ж1? Z  AGND"f ' c TE_ж_ж1?. p P W  @0V"f (  E_ж_ж1??PpW QUCC2 ) c F_ж_ж1? 7  B+ 5V" * C xtF_ж_жf1? ,$0 2Gelijkaardig zal, wanneer er op de ingang een spanning wordt aangesloten die lager is dan UIL,MAX, lk IC van de gegeven familie dit als een logische 0 beschouwen.PM Dd> + c 4G_ж_ж1?@` %De ingang (input)E , c G_ж_ж1?P,$D 0 ]UIL,MAX: f f f - C xG_ж_жf1?,$D 0 hVoor TTL-IC s bedraagt deze waarde: UIL,MAX = 0,8 V@5%  (+ . S ~H_ж_ж1?P"p,$D0 I U is spanning f # / S ~I_ж_ж1?  ,$D0 AInput fX 0 S ~I_ж_ж1?  ,$D0 vInput is Low = 0( f B 1@ S ~_ж_жDo?P ,$D 0B 2 S ~_ж_жDo?p,$D 0B 3 S ~_ж_жDo?@ ,$D 0 4 C xJ_ж_ж1?p ,$D 0 UI UIL,MAXr f ffff f fB 5 S ~_ж_жDfjJ?P` P,$D  0" 6 C xJ_ж_ж1?P,$D  0 F 0 $f fH  0޽h ? f33#  E     <K (   8 c _ж_жA '?1?  '  c Kgֳgֳ ? `@    * C xL_ж_жf1?p ,$D 0 lWe zien dat de spanningen aan de uitgangszijde dichter liggen bij de ideale 0 V voor de logisch 0 en bij de +5 V voor de logische 1. Aan de ingangszijde mag deze spanning nog wat verder hiervan afwijken, zonder problemen te veroorzaken in het herkennen van een logische 0 of een logische 1. Dit verschil in grenswaarde noemen we de DC RUISMARGE (of NOISE MARGIN)..mMb 9 3 r_ж_ж1?P,$D 0b : 3 r_ж_ж1?  ,$D 0a ; C xtL_ж_жf1?@p ,$D0 SHoe groter deze ruismarge is, hoe minder gevoelig de schakeling zal zijn voor ruis.TT  0l$D000 < C xL_ж_жf1?@p ,$D0 We stellen vast dat er een verschil is tussen de minimale waarden voor een logische  1 voor de uitgangsspanning enerzijds en voor de ingangsspanningen anderzijds. Dit is eveneens het geval voor de maximale waarden voor een logische  0 .H  0޽h ? f33k$ F  $# -Z#(    0l$D 000  c Mgֳgֳ ? `@   H  C xM_ж_жf1?  ,$0 l:Deze ingangsspanning wordt aangesloten op deze schakeling.;;B   S ~_ж_жD1?B   S ~_ж_жD1?@@   c TN_ж_ж1?*Gq IUIH*    C xN_ж_ж1?5 MUIH,MIN* b l   p,$D0B   S ~_ж_жD1?  B  S ~_ж_жD1? p B  S ~_ж_жD1?p P B  S ~_ж_жD1? P` B  S ~_ж_жD1?`  @B  S ~_ж_жD1?  @B  S ~_ж_жD1? B  S ~_ж_жD1?0B  C x_ж_жD1?0 B  S ~_ж_жD1? B  S ~_ж_жD1?P@B  S ~_ж_жD1?@PB  S ~_ж_жD1?PPB  S ~_ж_жD1?PP8 pp  $   S ~_ж_ж1?p   c O_ж_ж1?Ap7{  J1*$$B B S ~_ж_жD1?0  B   S ~_ж_жD1?0 00  ! S ~_ж_ж1?p0  B "B C x_ж_жD1?p0 0 B #B C x_ж_жD1?  l 0   Y0  ,$D0B 6 C x_ж_жD1?   8 c tO_ж_ж1?0 =w  JUOUT* B H C x_ж_жD1?0 0 B I C x_ж_жD1? B J S ~_ж_жD1?0 B K S ~_ж_жD1? 0  M S ~Z_ж_ж1?0,$D 0C N C xO_ж_жf1? ,$D0 g5Vervolgens wordt er ruis aangebracht op het signaal. 66l O C x?_ж_жf1?,$D0 HWe zien dat de spanning op n plaats onder de ondergrens UIH,MIN daalt.,I;  P C xD@_ж_жf1?w,$D0 ~Hierdoor kan er een  spike of  glitch ontstaan op de uitgang.@@  R S ~_ж_ж1? ,$D 0R X S ~_ж_жG^f1?@ ,$D0B Z c _ж_жD1?0` ` ,$D  0H  0޽h ? f33  G    @  (     c _ж_жA ?1?l   c Agֳgֳ ? `@   b  3 r_ж_ж1? ` ,$D 0  0l$D000   C xdA_ж_жf1?Dp ,$D0 Wat gebeurt er nu als we op de ingang een spanning aansluiten met een niveau dat ligt tussen de grenswaarden UIH,MIN en UIL,MAX ?Bn  i   C xA_ж_жf1?p z ,$D0 [Wel, dat kunnen we niet voorspellen. Voor n en dezelfde spanning kan het zijn dat het ene IC dit zal interpreteren als een logische 1, terwijl een ander IC (zelfs van hetzelfde type) dit als een logische 0 kan zien. Het zou ook kunnen gebeuren dat de uitgang begint te oscilleren (voortdurend omkippen tussen 0 en 1); dit is uiteraard ongewenst.\\   C x$B_ж_жf1? p ,$D 0 Deze ondefinieerbare toestand wordt natuurlijk best vermeden. Daarom noemen we dit spanningsgebied tussen beide grenswaarden de verboden zone..}/   S ~B_ж_ж1?{. ,$D 0 M VERBODEN ZONE$ H  0޽h ? f33  H  * " `  ( w    c _ж_жA ?1? pP8 $D0  c Cgֳgֳ ? `@     C xD_ж_жf1? ,$D 0 gWe zien dat bij CMOS de uitgangsspanningen veel dichter liggen bij de ideale 0 V voor de logisch 0 (UOL,MAX = 0,33 V) en bij de +5 V voor de logische 1 (UOH,MIN = 4,4 V) : er vloeit haast geen stroom in een CMOS-IC en we hebben dus ook nagenoeg geen intern spanningsverlies. Aan de ingangszijde liggen de grenswaarden bij 30% en 70% van de voedingsspanning. Phe / g  C xdD_ж_жf1? ,$D0 De DC RUISMARGE (NOISE MARGIN) is bijgevolg aanzienlijk groter dan bij TTL: voor HCMOS bedraagt ze ongeveer 1 V, waar dit bij TTL slechts 0,4 V was..x  0l$D000   C xD_ж_жf1? <,$0 jHoe zit het met deze spanningsniveaus bij CMOS-IC s ?66/b   3 r_ж_ж1?Pp`,$D 0b   3 r_ж_ж1?p p,$D 0H  0޽h ? f33& tf( w t t 0|l$D000d t C xE_ж_жFf1?PL  Dit is het laatste scherm van dit onderdeel. Je kan terug naar het menu (huisje) of verder met het volgende onderdeel: STROMEN IN EN OUT.@ t  `E1?,l$D000 <  t NFgֳgֳ ?\|@ (Spanningen IN en OUTH t 0޽h ? f332    ))PZ( D @ P P 0l$D000 P  `Ggֳgֳ ? `@    P # ldG1?q Na  :  P  f1?!O A P  f1?pO B P 3 r_ж_жD1?A~ ~ pB P@ c _ж_жD1??> ~   P c G_ж_ж1? .  5inputB  P C x_ж_жD1?a~ aB  P S ~_ж_жD1?a~ ~ !B  P C x_ж_жD1?aQB  P S ~_ж_жD1?QQB P S ~_ж_жDԔ?B P S ~_ж_жD1?B P S ~_ж_жD1?qB P@ C x_ж_жD1?B P C x_ж_жD1?B P S ~_ж_жD1?B P S ~_ж_жDԔ?a B P S ~_ж_жD1?! ! B P S ~_ж_жD1?!  B P@ C x_ж_жD1?B P S ~_ж_жD1? ~  B P S ~_ж_жD1?  B P C x_ж_жD1? ~ ~  P c $H_ж_ж1?O 6 2Ra P c H_ж_ж1?1   LRb P c H_ж_ж1?.@ 2T1 P c DI_ж_ж1?j.@Q  2T2B P S ~_ж_жD1?  P c I_ж_ж1?~` 6outputB !P S ~_ж_жDo? B "P S ~_ж_жDfo?   B #P S ~_ж_жD1?  B $P S ~_ж_жD1?g %P C xJ_ж_жFf1? ,$D 0 Ook hier gaan we weer uit van het vervangingsschema van de in- en uitgang. Het is toepasbaar op alle logische families : HCT, TTL, LS, S, F, etc. &P c dJ_ж_ж1? Z  AGND"f 'P c J_ж_ж1?p . P W  @0V"f (P  $K_ж_ж1??pPW QUCC2 )P c K_ж_ж1? 7  B+ 5V"H P 0޽h ? f33'   Y'Q'04H&(  H H 0l$D000 H  `gֳgֳ ? `@    H # l1?w Ng  :  H  f1?'O G H s t_ж_ж1??z UUCC6 H  f1?vO B H 3 r_ж_жD1?G~ ~ vB  H@ S ~_ж_жD1??0 ~   H c Թ_ж_ж1? .  5inputB  H C x_ж_жD1?g~ gB  H S ~_ж_жD1?g~ ~ 'B  H C x_ж_жD1?gWB H S ~_ж_жD1?WWB H S ~_ж_жDԔ?B H S ~_ж_жD1?B H S ~_ж_жD1?wB H@ C x_ж_жD1?B H C x_ж_жD1?B H S ~_ж_жD1?B H S ~_ж_жDԔ?g B H S ~_ж_жD1?' ' B H S ~_ж_жD1?'  B H@ C x_ж_жD1?B H S ~_ж_жD1? ~  B H S ~_ж_жD1?  B H C x_ж_жD1? ~ ~  H c 4_ж_ж1?U < 2Ra H c _ж_ж1?7   LRb H c _ж_ж1?.@ 2T1 H c T_ж_ж1?p.@W  2T2B !H S ~_ж_жD1? "H c _ж_ж1?~` 6outputB #H C x_ж_жDo?B $H S ~_ж_жDfo?    %H c _ж_ж1?' B+ 5V"B (H S ~_ж_жD1?  B )H S ~_ж_жD1?m *H C x_ж_жf1? ,$D0B +H S ~_ж_жDf1?0 0 ,$D0B ,H C x_ж_жDf1?0 0 ,$D0n -H C xt_ж_жf1? 0,$D0 We kunnen op de ingang een 1 plaatsen door deze te verbinden met de 5 Volt voedingsspanning UCC. Dit kan rechtstreeks of eventueel via een weerstand van bv. 10 kW. Daar de ingangsweerstand hoger is dan n megaohm, is de spanning op de ingang bijna 5V. Een logische 1 dus. B^ Bpw /H c 4_ж_ж1?0 %De ingang (input) 0H c _ж_ж1? Z  AGND"f 1H c _ж_ж1?p . P W  @0V"f2 2H C x_ж_ж1? & ,$D 0 VDe ingang HOOG maken&  3H S ~_ж_ж1?`,$D 0- 4H c _ж_ж1?@U`,$D0 E10 kW$H H 0޽h ? f33&   u&m&16T&(   T T 0l$D000 T  `tgֳgֳ ? `@    T # lԿ1?w Ng  :  T  f1?'O G T  f1?vO B T 3 r_ж_жD1?G~ ~ vB  T@ S ~_ж_жD1??0 ~   T c 4_ж_ж1? .  5inputB  T C x_ж_жD1?g~ gB  T S ~_ж_жD1?g~ ~ 'B  T C x_ж_жD1?gWB T S ~_ж_жD1?WWB T S ~_ж_жDԔ?B T S ~_ж_жD1?B T S ~_ж_жD1?wB T@ C x_ж_жD1?B T C x_ж_жD1?B T S ~_ж_жD1?B T S ~_ж_жDԔ?g B T S ~_ж_жD1?' ' B T S ~_ж_жD1?'  B T@ C x_ж_жD1?B T S ~_ж_жD1? ~  B T S ~_ж_жD1?  B T C x_ж_жD1? ~ ~  T c _ж_ж1?U < 2Ra T c _ж_ж1?7   LRb T c T_ж_ж1?.@ 2T1 T c _ж_ж1?p.@W  2T2B !T S ~_ж_жD1? "T c _ж_ж1?~` 6outputB #T C x_ж_жDo?B $T S ~_ж_жDfo?   B 'T S ~_ж_жD1?  B (T S ~_ж_жD1?m )T C x_ж_ж1? B *T S ~_ж_жD1?0 0 B +T C x_ж_жD1?0 0  ,T C xt_ж_жf1?p0  "In deze situatie gaat er een kleine stroom lopen volgens de gele pijl : van de + van de voeding (UCC), door de weerstand van 10k, via de ingang door Rb naar de - van de voeding (GND).,b U!B .T S ~_ж_жDfԔ?@@p,$D 0B /T S ~_ж_жDfԔ?p@ p,$D 0B 0T c _ж_жDfԔ?p ,$D 0 1T c _ж_ж1?@U` E10 kW$ 2T c Ý_ж_ж1?0 %De ingang (input) 3T s Ý_ж_ж1??z UUCC6 4T c Tĝ_ж_ж1?' B+ 5V" 5T c O_ж_ж1? Z  AGND"f 6T c $P_ж_ж1?p . P W  @0V"fH T 0޽h ? f33%   ?%7%05X$(  X X 0l$D000 X  `Pgֳgֳ ? `@    X # lP1?w Ng  :  X  f1?'O G X  f1?vO B X 3 r_ж_жD1?G~ ~ vB  X@ S ~_ж_жD1??0 ~   X c DQ_ж_ж1? .  5inputB  X C x_ж_жD1?g~ gB  X S ~_ж_жD1?g~ ~ 'B  X C x_ж_жD1?gWB X S ~_ж_жD1?WWB X S ~_ж_жDԔ?B X S ~_ж_жD1?B X S ~_ж_жD1?wB X@ C x_ж_жD1?B X C x_ж_жD1?B X S ~_ж_жD1?B X S ~_ж_жDԔ?g B X S ~_ж_жD1?' ' B X S ~_ж_жD1?'  B X@ C x_ж_жD1?B X S ~_ж_жD1? ~  B X S ~_ж_жD1?  B X C x_ж_жD1? ~ ~  X c Q_ж_ж1?U < 2Ra X c R_ж_ж1?7   LRb X c dR_ж_ж1?.@ 2T1 X c R_ж_ж1?p.@W  2T2B !X S ~_ж_жD1? "X c $S_ж_ж1?~` 6outputB #X C x_ж_жDo?B $X S ~_ж_жDfo?   B 'X S ~_ж_жD1?  B (X S ~_ж_жD1?m )X C x_ж_ж1? B *X S ~_ж_жD1?0 0 B +X C x_ж_жD1?0 0  ,X C xS_ж_жf1?  f De ingang is logisch 1. In datasheets noteert men dit meestal met de H van high (hoog). De stroom die door de ingang loopt als deze 1 is, noemen we IIH6  B -X S ~_ж_жDfԔ?@@p,$0B .X S ~_ж_жDfԔ?p@ p,$0B /X c _ж_жDfԔ?p ,$0 0X c DT_ж_ж1?0 %De ingang (input) 2X s T_ж_ж1??z UUCC6 3X c U_ж_ж1?' B+ 5V" 4X c dU_ж_ж1? Z  AGND"f 5X c U_ж_ж1?p . P W  @0V"fH X 0޽h ? f33g,   ++7<\+(  \ \ 0l$D000 \  `$Vgֳgֳ ? `@    \ # lV1?w Ng  :  \  f1?'O G \  f1?vO B \ 3 r_ж_жD1?G~ ~ vB  \@ S ~_ж_жD1??0 ~   \ c V_ж_ж1? .  5inputB  \ C x_ж_жD1?g~ gB  \ S ~_ж_жD1?g~ ~ 'B  \ C x_ж_жD1?gWB \ S ~_ж_жD1?WWB \ S ~_ж_жDԔ?B \ S ~_ж_жD1?B \ S ~_ж_жD1?wB \@ C x_ж_жD1?B \ C x_ж_жD1?B \ S ~_ж_жD1?B \ S ~_ж_жDԔ?g B \ S ~_ж_жD1?' ' B \ S ~_ж_жD1?'  B \@ C x_ж_жD1?B \ S ~_ж_жD1? ~  B \ S ~_ж_жD1?  B \ C x_ж_жD1? ~ ~  \ c DW_ж_ж1?U < 2Ra \ c W_ж_ж1?7   LRb \ c X_ж_ж1?.@ 2T1 \ c dX_ж_ж1?p.@W  2T2B !\ S ~_ж_жD1? "\ c X_ж_ж1?~` 6outputB #\ C x_ж_жDo?B $\ S ~_ж_жDfo?   B '\ S ~_ж_жD1?  B (\ S ~_ж_жD1?m )\ C x_ж_ж1? B *\ S ~_ж_жD1?0 0 B +\ C x_ж_жD1?0 0 B -\ S ~_ж_жDfԔ?@@p,$D 0B .\ S ~_ж_жDfԔ?p@ p,$D 0B /\ c _ж_жDfԔ?p ,$D 0= 0\ c $Y_ж_ж1? ,$D 0 UIIH6 f f f 1\ S ~Y_ж_жF1?Z Wz ,$D0  I is stroom 2\ S ~DZ_ж_жF1?j ,$D 0 Input 3\ S ~[_ж_жF1? ,$D 0 %Input is high = 1B 4\@ c _ж_жDo? p ,$D 0B 5\@ c _ж_жDo?0 @P ,$D  0B 6\ c _ж_жDo?0 ,$D  0= 7\ c d[_ж_ж1? ,$D 0 UIIH6 f f f 8\ c ԫ_ж_ж1?0 %De ingang (input) 9\ s 4_ж_ж1??z UUCC6 :\ c _ж_ж1?' B+ 5V" ;\ c _ж_ж1? Z  AGND"f <\ c T_ж_ж1?p . P W  @0V"fH \ 0޽h ? f33&   F&>&1>`%(  ` ` 0l$D000 `  `gֳgֳ ? `@    ` # l1?w Ng  :  `  f1?'O G `  f1?vO B ` 3 r_ж_жD1?G~ ~ vB  `@ S ~_ж_жD1??0 ~   ` c t_ж_ж1? .  5inputB  ` C x_ж_жD1?g~ gB  ` S ~_ж_жD1?g~ ~ 'B  ` C x_ж_жD1?gWB ` S ~_ж_жD1?WWB ` S ~_ж_жDԔ?B ` S ~_ж_жD1?B ` S ~_ж_жD1?wB `@ C x_ж_жD1?B ` C x_ж_жD1?B ` S ~_ж_жD1?B ` S ~_ж_жDԔ?g B ` S ~_ж_жD1?' ' B ` S ~_ж_жD1?'  B `@ C x_ж_жD1?B ` S ~_ж_жD1? ~  B ` S ~_ж_жD1?  B ` C x_ж_жD1? ~ ~  ` c Ԯ_ж_ж1?U < 2Ra ` c 4_ж_ж1?7   LRb ` c _ж_ж1?.@ 2T1 ` c _ж_ж1?p.@W  2T2B !` S ~_ж_жD1? "` c T_ж_ж1?~` 6outputB #` C x_ж_жDo?B $` S ~_ж_жDfo?   B '` S ~_ж_жD1?  B (` S ~_ж_жD1?m )` C x_ж_ж1? B *` S ~_ж_жD1?0 0 B +` C x_ж_жD1?0 0 B ,` S ~_ж_жDfԔ?@@p,$0B -` S ~_ж_жDfԔ?p@ p,$0B .` c _ж_жDfԔ?p ,$0= 6` c _ж_ж1? ,$ 0 UIIH6 f f fW 7` C x_ж_жf1?0 EDe grootte van IIH wordt hoofdzakelijk bepaald door de waarde van Rb.,F 4B :` c Ա_ж_ж1?0 %De ingang (input) ;` s 4_ж_ж1??z UUCC6 <` c _ж_ж1?' B+ 5V" =` c _ж_ж1? Z  AGND"f >` c T_ж_ж1?p . P W  @0V"fH ` 0޽h ? f33>)   ((26df((   d d 0l$D000 d  `gֳgֳ ? `@    d # l1?w Ng  :  d  f1?'O G d  f1?vO B d 3 r_ж_жD1?G~ ~ vB  d@ S ~_ж_жD1??0 ~   d c t_ж_ж1? .  5inputB  d C x_ж_жD1?g~ gB  d S ~_ж_жD1?g~ ~ 'B  d C x_ж_жD1?gWB d S ~_ж_жD1?WWB d S ~_ж_жDԔ?B d S ~_ж_жD1?B d S ~_ж_жD1?wB d@ C x_ж_жD1?B d C x_ж_жD1?B d S ~_ж_жD1?B d S ~_ж_жDԔ?g B d S ~_ж_жD1?' ' B d S ~_ж_жD1?'  B d@ C x_ж_жD1?B d S ~_ж_жD1? ~  B d S ~_ж_жD1?  B d C x_ж_жD1? ~ ~  d c Դ_ж_ж1?U < 2Ra d c 4_ж_ж1?7   LRb d c _ж_ж1?.@ 2T1 d c _ж_ж1?p.@W  2T2B !d S ~_ж_жD1? "d c T_ж_ж1?~` 6outputB #d C x_ж_жDo?B $d S ~_ж_жDfo?   B 'd S ~_ж_жD1?  B (d S ~_ж_жD1?m )d C x_ж_ж1? B *d S ~_ж_жD1?0 0 B +d C x_ж_жD1?0 0 B ,d S ~_ж_жDfԔ?@@p,$0B -d S ~_ж_жDfԔ?p@ p,$0B .d c _ж_жDfԔ?p ,$0= /d c _ж_ж1? ,$ 0 UIIH6 f f fW 0d C x_ж_жf1?0 EDe grootte van IIH wordt hoofdzakelijk bepaald door de waarde van Rb.,F 4B 1d C x/_ж_жFf1? ,$D 0 Bij de HCT logic serie is IIH zeer klein; slechts enkele nA s. Maar bij de TTL IC s is de waarde van IIH ongeveer 40 mA .Xz I  > )' 2d c 0_ж_ж1?0 %De ingang (input) 3d s 0_ж_ж1??z UUCC6 4d c T1_ж_ж1?' B+ 5V" 5d c 1_ж_ж1? Z  AGND"f 6d c 2_ж_ж1?p . P W  @0V"fH d 0޽h ? f33)   ((04h<((  h h 0l$D000 h  `t2gֳgֳ ? `@    h # l21?w Ng  :  h  f1?'O G h  f1?vO B h 3 r_ж_жD1?G~ ~ vB  h@ S ~_ж_жD1??0 ~   h c 43_ж_ж1? .  5inputB  h C x_ж_жD1?g~ gB  h S ~_ж_жD1?g~ ~ 'B  h C x_ж_жD1?gWB h S ~_ж_жD1?WWB h S ~_ж_жDԔ?B h S ~_ж_жD1?B h S ~_ж_жD1?wB h@ C x_ж_жD1?B h C x_ж_жD1?B h S ~_ж_жD1?B h S ~_ж_жDԔ?g B h S ~_ж_жD1?' ' B h S ~_ж_жD1?'  B h@ C x_ж_жD1?B h S ~_ж_жD1? ~  B h S ~_ж_жD1?  B h C x_ж_жD1? ~ ~  h c 3_ж_ж1?U < 2Ra h c 3_ж_ж1?7   LRb h c T4_ж_ж1?.@ 2T1 h c 4_ж_ж1?p.@W  2T2B !h S ~_ж_жD1? "h c 5_ж_ж1?~` 6outputB #h C x_ж_жDo? B $h C x_ж_жDfo?  B 'h S ~_ж_жD1?  B (h S ~_ж_жD1?m )h C x_ж_жf1? ,$D0B *h C x_ж_жDf1? 0 0 ,$D0B +h C x_ж_жDf1?0 0 ,$D0 ,h C xt5_ж_жf1?` 0,$D0 We kunnen op de ingang een 0 plaatsen door deze te verbinden met de 0 (- pool) van de voedingsspanning (GND). Eventueel kan dat via een weerstand. Daar de ingangsweerstand Ra vrij hoog is, is de spanning op de ingang bijna 0V. Een logische 0 dus. Bij TTL IC s mag de weerstand echter niet te hoog zijn. Neem b.v. 1 kW . ,E@=, -h c 5_ж_ж1? `U ,$D0 D1 kW$ .h c 6_ж_ж1?0 %De ingang (input) /h s 6_ж_ж1??z UUCC6 0h c T7_ж_ж1?' B+ 5V" 1h c 7_ж_ж1? :  AGND"f 2h c 8_ж_ж1?@ p '  @0V"f2 3h C x8_ж_ж1? & ,$D 0 VDe ingang LAAG maken&  4h S ~_ж_ж1?`,$D 0H h 0޽h ? f33D'   &&1\ll&(  l l 0l$D000 l  `49gֳgֳ ? `@   P ,l C x9_ж_жf1?  JIn deze situatie gaat er een kleine stroom lopen volgens de gele pijl : van de + van de voeding (UCC) via Ra en via de weerstand van 1 kW naar de massa (GND = 0 V).Bc $B -l C x_ж_жDfԔ? ,$D 0B .l C x_ж_жDfԔ?p ,$D 0B /l S ~_ж_жDfԔ?pp ,$D 0 0l # l91?w Ng  :  1l  f1?'O G 3l  f1?vO B 4l 3 r_ж_жD1?G~ ~ vB 5l@ S ~_ж_жD1??0 ~  6l c T:_ж_ж1? .  5inputB 7l C x_ж_жD1?g~ gB 8l S ~_ж_жD1?g~ ~ 'B 9l C x_ж_жD1?gWB :l S ~_ж_жD1?WWB ;l S ~_ж_жDԔ?B l@ C x_ж_жD1?B ?l C x_ж_жD1?B @l S ~_ж_жD1?B Al S ~_ж_жDԔ?g B Bl S ~_ж_жD1?' ' B Cl S ~_ж_жD1?'  B Dl@ C x_ж_жD1?B El S ~_ж_жD1? ~  B Fl S ~_ж_жD1?  B Gl C x_ж_жD1? ~ ~  Hl c :_ж_ж1?U < 2Ra Il c ;_ж_ж1?7   LRb Jl c t;_ж_ж1?.@ 2T1 Kl c ԏ_ж_ж1?p.@W  2T2B Ll S ~_ж_жD1? Ml c 4_ж_ж1?~` 6outputB Nl C x_ж_жDo? B Ol C x_ж_жDfo?  B Rl S ~_ж_жD1?  B Sl S ~_ж_жD1?m Tl C x_ж_ж1? B Ul C x_ж_жD1? 0 0 B Vl C x_ж_жD1?0 0  Wl c _ж_ж1? `U  D1 kW$ Xl c T_ж_ж1?0 %De ingang (input) Yl s _ж_ж1??z UUCC6 Zl c _ж_ж1?' B+ 5V" [l c t_ж_ж1? :  AGND"f \l c Ԓ_ж_ж1?@ p '  @0V"fH l 0޽h ? f33%   <%4% 0_p$(  p p 0l$D000 p  `4gֳgֳ ? `@    ,p C x_ж_жf1? 0 De ingang is logisch 0. In datasheets duiden ze dat meestal aan met de L van Low. De stroom die door de ingang loopt als deze 0 is, noemen we IIL6  OCB 0p C x_ж_жDfԔ? ,$0B 1p C x_ж_жDfԔ?p ,$0B 2p S ~_ж_жDfԔ?pp ,$0 3p # l1?w Ng  :  4p  f1?'O G 6p  f1?vO B 7p 3 r_ж_жD1?G~ ~ vB 8p@ S ~_ж_жD1??0 ~  9p c T_ж_ж1? .  5inputB :p C x_ж_жD1?g~ gB ;p S ~_ж_жD1?g~ ~ 'B p S ~_ж_жDԔ?B ?p S ~_ж_жD1?B @p S ~_ж_жD1?wB Ap@ C x_ж_жD1?B Bp C x_ж_жD1?B Cp S ~_ж_жD1?B Dp S ~_ж_жDԔ?g B Ep S ~_ж_жD1?' ' B Fp S ~_ж_жD1?'  B Gp@ C x_ж_жD1?B Hp S ~_ж_жD1? ~  B Ip S ~_ж_жD1?  B Jp C x_ж_жD1? ~ ~  Kp c _ж_ж1?U < 2Ra Lp c _ж_ж1?7   LRb Mp c t_ж_ж1?.@ 2T1 Np c ԕ_ж_ж1?p.@W  2T2B Op S ~_ж_жD1? Pp c 4_ж_ж1?~` 6outputB Qp C x_ж_жDo? B Rp C x_ж_жDfo?  B Up S ~_ж_жD1?  B Vp S ~_ж_жD1?m Wp C x_ж_ж1? B Xp C x_ж_жD1? 0 0 B Yp C x_ж_жD1?0 0  [p c _ж_ж1?0 %De ingang (input) \p s T_ж_ж1??z UUCC6 ]p c _ж_ж1?' B+ 5V" ^p c _ж_ж1? :  AGND"f _p c t_ж_ж1?@ p '  @0V"fH p 0޽h ? f33j,   ,+07ft+(  t t 0l$D000 t  `Ԙgֳgֳ ? `@   = /t c 4_ж_ж1? ,$D0 UIIL6 f f f 0t S ~_ж_ж1?Z Wz ,$D0  I is stroom 1t S ~T_ж_ж1?j ,$D0 Input( 2t S ~_ж_ж1? ,$D 0 FInput is low = 0 B 3t@ c _ж_жDo? p ,$D 0B 4t@ c _ж_жDo?0 @P ,$D 0B 5t c _ж_жDo?0 ,$D 0= 6t c t_ж_ж1? V },$D 0 UIIL6 f f fB 7t C x_ж_жDfԔ? ,$0B 8t C x_ж_жDfԔ?p ,$0B 9t S ~_ж_жDfԔ?pp ,$0 :t # l1?w Ng  :  ;t  f1?'O G =t  f1?vO B >t 3 r_ж_жD1?G~ ~ vB ?t@ S ~_ж_жD1??0 ~  @t c  _ж_ж1? .  5inputB At C x_ж_жD1?g~ gB Bt S ~_ж_жD1?g~ ~ 'B Ct C x_ж_жD1?gWB Dt S ~_ж_жD1?WWB Et S ~_ж_жDԔ?B Ft S ~_ж_жD1?B Gt S ~_ж_жD1?wB Ht@ C x_ж_жD1?B It C x_ж_жD1?B Jt S ~_ж_жD1?B Kt S ~_ж_жDԔ?g B Lt S ~_ж_жD1?' ' B Mt S ~_ж_жD1?'  B Nt@ C x_ж_жD1?B Ot S ~_ж_жD1? ~  B Pt S ~_ж_жD1?  B Qt C x_ж_жD1? ~ ~  Rt c t _ж_ж1?U < 2Ra St c _ж_ж1?7   LRb Tt c 4!_ж_ж1?.@ 2T1 Ut c !_ж_ж1?p.@W  2T2B Vt S ~_ж_жD1? Wt c !_ж_ж1?~` 6outputB Xt C x_ж_жDo? B Yt C x_ж_жDfo?  B \t S ~_ж_жD1?  B ]t S ~_ж_жD1?m ^t C x_ж_ж1? B _t C x_ж_жD1? 0 0 B `t C x_ж_жD1?0 0  bt c "_ж_ж1?0 %De ingang (input) ct s #_ж_ж1??z UUCC6 dt c t#_ж_ж1?' B+ 5V" et c #_ж_ж1? :  AGND"f ft c 4$_ж_ж1?@ p '  @0V"fH t 0޽h ? f33n&   &%@1ax%(  x x 0l$D000 x  `$gֳgֳ ? `@   5 0x C x$_ж_жf1?0 EDe grootte van IIL wordt hoofdzakelijk bepaald door de waarde van Ra.,F 4= 1x c T%_ж_ж1? V },$ 0 UIIL6 f f fB 2x C x_ж_жDfԔ? ,$0B 3x C x_ж_жDfԔ?p ,$0B 4x S ~_ж_жDfԔ?pp ,$0 5x # l%1?w Ng  :  6x  f1?'O G 8x  f1?vO B 9x 3 r_ж_жD1?G~ ~ vB :x@ S ~_ж_жD1??0 ~  ;x c &_ж_ж1? .  5inputB x C x_ж_жD1?gWB ?x S ~_ж_жD1?WWB @x S ~_ж_жDԔ?B Ax S ~_ж_жD1?B Bx S ~_ж_жD1?wB Cx@ C x_ж_жD1?B Dx C x_ж_жD1?B Ex S ~_ж_жD1?B Fx S ~_ж_жDԔ?g B Gx S ~_ж_жD1?' ' B Hx S ~_ж_жD1?'  B Ix@ C x_ж_жD1?B Jx S ~_ж_жD1? ~  B Kx S ~_ж_жD1?  B Lx C x_ж_жD1? ~ ~  Mx c t&_ж_ж1?U < 2Ra Nx c &_ж_ж1?7   LRb Ox c 4'_ж_ж1?.@ 2T1 Px c '_ж_ж1?p.@W  2T2B Qx S ~_ж_жD1? Rx c '_ж_ж1?~` 6outputB Sx C x_ж_жDo? B Tx C x_ж_жDfo?  B Wx S ~_ж_жD1?  B Xx S ~_ж_жD1?m Yx C x_ж_ж1? B Zx C x_ж_жD1? 0 0 B [x C x_ж_жD1?0 0  ]x c (_ж_ж1?0 %De ingang (input) ^x s )_ж_ж1??z UUCC6 _x c t)_ж_ж1?' B+ 5V" `x c )_ж_ж1? :  AGND"f ax c 4*_ж_ж1?@ p '  @0V"fH x 0޽h ? f33V(   ''P2b|~'(  | | 0l$D000 |  `*gֳgֳ ? `@   5 0| C x*_ж_жf1?0 EDe grootte van IIL wordt hoofdzakelijk bepaald door de waarde van Ra.,F 3 1| C xT+_ж_жFf1?j `,$D 0 rBij de HCT logic serie is IIL zeer klein; enkele nA. Maar bij de TTL familie is de waarde van IIL ongeveer 1,6 mA.Bs A , !@= 2| c D_ж_ж1? V },$ 0 UIIL6 f f fB 3| C x_ж_жDfԔ? ,$0B 4| C x_ж_жDfԔ?p ,$0B 5| S ~_ж_жDfԔ?pp ,$0 6| # l1?w Ng  :  7|  f1?'O G 9|  f1?vO B :| 3 r_ж_жD1?G~ ~ vB ;|@ S ~_ж_жD1??0 ~  <| c _ж_ж1? .  5inputB =| C x_ж_жD1?g~ gB >| S ~_ж_жD1?g~ ~ 'B ?| C x_ж_жD1?gWB @| S ~_ж_жD1?WWB A| S ~_ж_жDԔ?B B| S ~_ж_жD1?B C| S ~_ж_жD1?wB D|@ C x_ж_жD1?B E| C x_ж_жD1?B F| S ~_ж_жD1?B G| S ~_ж_жDԔ?g B H| S ~_ж_жD1?' ' B I| S ~_ж_жD1?'  B J|@ C x_ж_жD1?B K| S ~_ж_жD1? ~  B L| S ~_ж_жD1?  B M| C x_ж_жD1? ~ ~  N| c d_ж_ж1?U < 2Ra O| c ď_ж_ж1?7   LRb P| c $_ж_ж1?.@ 2T1 Q| c _ж_ж1?p.@W  2T2B R| S ~_ж_жD1? S| c 䐣_ж_ж1?~` 6outputB T| C x_ж_жDo? B U| C x_ж_жDfo?  B X| S ~_ж_жD1?  B Y| S ~_ж_жD1?m Z| C x_ж_ж1? B [| C x_ж_жD1? 0 0 B \| C x_ж_жD1?0 0  ^| c _ж_ж1?0 %De ingang (input) _| s _ж_ж1??z UUCC6 `| c d_ж_ж1?' B+ 5V" a| c Ē_ж_ж1? :  AGND"f b| c $_ж_ж1?@ p '  @0V"fH | 0޽h ? f33    ) ! `*7(  ipG\   0l$D000   `gֳgֳ ? `@     # l䓣1?0   :    f1?Q   f1?Q6 B  3 r_ж_жD1?    c D_ж_ж1?f6M 5inputB  C x_ж_жD1? B  S ~_ж_жD1?  B  C x_ж_жD1?B  S ~_ж_жD1?@B  S ~_ж_жDԔ?@@B  S ~_ж_жD1?W@WB  S ~_ж_жD1?WB @ C x_ж_жD1?'@'B  C x_ж_жD1?gB  S ~_ж_жD1?g@gB  S ~_ж_жDԔ?@@' B  S ~_ж_жD1?@B  S ~_ж_жD1? B @ C x_ж_жD1?@B  S ~_ж_жD1?G G B  S ~_ж_жD1?W G B ! C x_ж_жD1?6  G  " c _ж_ж1? 2Ra # c _ж_ж1? LRb $ c d_ж_ж1? ~ 2T1 % c ĕ_ж_ж1?  2T2B & S ~_ж_жD1?w@ w ' c $_ж_ж1?f  M 6outputB ( C x_ж_жDo?-B0 0B ) C x_ж_жDfo? 0 B , S ~_ж_жD1?M FF B - S ~_ж_жD1?-FF  1 c 䖣_ж_ж1?% 'De uitgang (output)B 2@ S ~_ж_жD1?"- 3 C x_ж_жFf1? pl,$D 0 QNu gaan we de uitgang bekijken.   4 s _ж_ж1??@p' UUCC6 5 c d_ж_ж1?W B+ 5V" 6 c Ę_ж_ж1? p  AGND"f 7 c $_ж_ж1?   @0V"fH  0޽h ? f33    L D *R(    0l$D000   `䙣gֳgֳ ? `@   P  C x _ж_жf1?0 TDe uitgang van een digitaal IC bezit meestal 2 transistoren of FETs. Hier T1 en T2.UU?  # l!1?0   :    f1?Q   f1?Q6 B  3 r_ж_жD1?    c d!_ж_ж1?f6M 5inputB  C x_ж_жD1? B  S ~_ж_жD1?  B  C x_ж_жD1?B  S ~_ж_жD1?@B  S ~_ж_жDԔ?@@B  S ~_ж_жD1?W@WB  S ~_ж_жD1?WB @ C x_ж_жD1?'@'B  C x_ж_жD1?gB  S ~_ж_жD1?g@gB  S ~_ж_жDԔ?@@' B  S ~_ж_жD1?@B  S ~_ж_жD1? B @ C x_ж_жD1?@B  S ~_ж_жD1?G G B  S ~_ж_жD1?W G B  C x_ж_жD1?6  G   c !_ж_ж1? 2Ra  c $"_ж_ж1? LRb  c "_ж_ж1? ~ 2T1  c "_ж_ж1?  2T2B  S ~_ж_жD1?w@ w ! c D#_ж_ж1?f  M 6outputB " C x_ж_жDo?-B0 0B # C x_ж_жDfo? 0 B & S ~_ж_жD1?M FF B ' S ~_ж_жD1?-FF  ( c $_ж_ж1?% 'De uitgang (output)B )@ S ~_ж_жD1?" O s d$_ж_ж1??@p' UUCC6 P c $_ж_ж1?W B+ 5V" Q c $%_ж_ж1? p  AGND"f R c %_ж_ж1?   @0V"fH  0޽h ? f33V$   ##.1~#( s ` , c $A &??   & - S ~_ж_жA1?f  0l$D000   `D&gֳgֳ ? `@   P  C x&_ж_жf1?0 TDe uitgang van een digitaal IC bezit meestal 2 transistoren of FETs. Hier T1 en T2.UU?  # l'1?0   :    f1?Q   f1?Q6 B  3 r_ж_жD1?    c d'_ж_ж1?f6M 5inputB  C x_ж_жD1? B  S ~_ж_жD1?  B  C x_ж_жD1?B  S ~_ж_жD1?@B  S ~_ж_жDԔ?@@B  S ~_ж_жD1?W@WB  S ~_ж_жD1?WB @ C x_ж_жD1?'@'B  C x_ж_жD1?gB  S ~_ж_жD1?g@gB  S ~_ж_жDԔ?@@' B  S ~_ж_жD1?@B  S ~_ж_жD1? B @ C x_ж_жD1?@B  S ~_ж_жD1?G G B  S ~_ж_жD1?W G B  C x_ж_жD1?6  G   c '_ж_ж1? 2Ra  c $(_ж_ж1? LRb  c (_ж_ж1? ~ 2T1  c (_ж_ж1?  2T2B  S ~_ж_жD1?w@ w ! c D)_ж_ж1?f  M 6outputB " C x_ж_жDo?-B0 0B # C x_ж_жDfo? 0 B & S ~_ж_жD1?M FF B ' S ~_ж_жD1?-FF  ( c *_ж_ж1?% 'De uitgang (output)B )@ S ~_ж_жD1?"" * C xd*_ж_жFf1?  ,$D 0 FOmdat de transistoren als het ware boven op elkaar gestapeld zijn, noemt men zo n uitgang een TOTEMPAAL uitgang.qq, 8Z + S  %??  % . s *_ж_ж1??@p' UUCC6 / c $+_ж_ж1?W B+ 5V" 0 c +_ж_ж1? p  AGND"f 1 c +_ж_ж1?   @0V"fH  0޽h ? f338   d8\8IZ7( +E&   0l$D000   `đgֳgֳ ? `@   I  C x$_ж_жf1?0 oDe transistoren werken als schakelaars. We kunnen ons de uitgang voorstellen zoals de rechter figuur weergeeft.pp  # l1?0   :    f1?Q   f1?Q6 B  3 r_ж_жD1?    c 䒥_ж_ж1?f6M 5inputB  C x_ж_жD1? B  S ~_ж_жD1?  B  C x_ж_жD1?B  S ~_ж_жD1?@B  S ~_ж_жDԔ?@@B  S ~_ж_жD1?W@WB  S ~_ж_жD1?WB @ C x_ж_жD1?'@'B  C x_ж_жD1?gB  S ~_ж_жD1?g@gB  S ~_ж_жDԔ?@@' B  S ~_ж_жD1?@B  S ~_ж_жD1? B @ C x_ж_жD1?@B  S ~_ж_жD1?G G B  S ~_ж_жD1?W G B  C x_ж_жD1?6  G   c D_ж_ж1? 2Ra  c _ж_ж1? LRb  c _ж_