Page 192 - FUNDAMENTALS OF COMPUTER
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192 Fundamentals of Computers NPP
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Problem 3.47 àíZ 3.47
Draw XNOR gate using NAND Gates: XNOR JoQ> H$mo NAND JoQ> H$m Cn`moJ H$aHo$ S´m°
H$s{OE:
Solution: hc:
The symbol and equation for XNOR gate XNOR JoQ> H$m g§Ho$V VWm g_rH$aU XmoZm|
can be showns as follows: {ZåZmZwgma Xem©E Om gH$Vo h¢…
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B Y = A.B + A.B
The equation can be simplified as Cnamoº$ g_rH$aU H$mo {ZåZmZwgma ^r {bIm Om
Y = B . A + A . B . Now draw basic gate circuit:
gH$Vm h¡ Y = B . A + A . B Bgo _yb^yV JoQ>m| go ~ZmAmo…
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The AND Gates can be converted into AND JoQ>m| H$mo NAND _| ~XbZo na:
NAND by putting two bubbles:
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