Programming instructions

74xx
 National Instruments Corporation 6-5 Multisim Component Reference Guide
6.4.7 74xx06 (Hex INVERTER (OC))
This device contains six independent INVERTER gates. For correct performance, the open
collector outputs require pull-up resistors.
Logic function:
INVERTER gate truth table:
6.4.8 74xx07 (Hex BUFFER (OC))
This device contains six independent BUFFER/non-inverting gates. For correct performance,
the open collector outputs require pull-up resistors.
Logic function:
BUFFER gate truth table:
6.4.9 74xx08 (Quad 2-In AND)
This device contains four independent 2-input AND gates.
Logic function:
AY
10
01
AY
00
11
ComponentRef.book Page 5 Thursday, December 7, 2006 10:12 AM