Programming instructions

TTL
Multisim Component Reference Guide 6-54 ni.com
NOR gate truth table:
6.4.94 74xx280 (9-bit odd/even parity generator/checker)
9-bit odd/even parity generator/checker truth table:
6.4.95 74xx283 (4-bit Bin Full Add)
This device performs the addition of two 4-bit binary numbers. It features full internal look-
ahead across all four bits generating the carry term in ten nanoseconds typically.
ABY
001
100
010
110
NUMBER OF INPUTS
A THROUGH I THAT ARE HIGH
Σ -
EVEN
Σ-
ODD
0, 2, 4, 6, 8 1 0
1, 3, 5, 7, 9 0 1
Σ =sigma
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