Programming instructions

4000 Series ICs
 National Instruments Corporation 7-29 Multisim Component Reference Guide
7.2.60 4077 (Quad 2-In XNOR)
This device contains four independent 2-input EXCLUSIVE-NOR gates.
Logic function:
EXCLUSIVE-NOR gate truth table:
7.2.61 4078 (8-In NOR)
Logic function:
8-input NOR gate simplified truth table:
O= A ⊕ B
An Bn On
001
010
100
111
ComponentRef.book Page 29 Thursday, December 7, 2006 10:12 AM