MC54/74F182 CARRY LOOKAHEAD GENERATOR
The MC54/74F182 is a high-speed carry lookahead generator. It is generally used wi...
MC54/74F182 CARRY LOOKAHEAD GENERATOR
The MC54/74F182 is a high-speed carry lookahead generator. It is generally used with the F181, F381 or 29F01 4-bit arithmetic logic unit to provide highspeed lookahead over word lengths of more than four bits. Provides Lookahead Carries Across a Group of Four ALUs Multi-level Lookahead High-speed Arithmetic Operation Over Long Word Lengths CONNECTION DIAGRAM DIP (TOP VIEW)
VCC 16 P2 15 G2 14 Cn 13 Cn + x Cn + y 12 11 G 10 Cn + z 9
16 1
CARRY LOOKAHEAD GENERATOR
FAST™ SCHOTTKY TTL
J SUFFIX CERAMIC CASE 620-09
1 G1
2 P1
3 G0
4 P0
5 G3
6 P3
7 P
8 GND
16 1
N SUFFIX PLASTIC CASE 648-08
16 1
D SUFFIX SOIC CASE 751B-03
LOGIC DIAGRAM
ORDERING INFORMATION
MC54FXXXJ MC74FXXXN MC74FXXXD Ceramic Plastic SOIC
Cn G0 P0
G1 P1
G2 P2
G3 P3
LOGIC SYMBOL
13 Cn P0 G0 12 Cn + x Cn + y Cn + z G P 11 9 Cn + x Cn + y Cn + z P1 G1 P2 G2 P3 G3 G 10 4 3 2 1 15 14 6 5 VCC = PIN 16 GND = PIN 8
P 7
FAST AND LS TTL DATA 4-97
MC54/74F182
FUNCTION TABLE
Inputs Cn X L X H X X L X X H X X X L X X X H G0 H H L X X H H X L X X X H H X X L X X X X H X X X L H X X X L
H = HIGH
Voltage Level L = LOW
Voltage Level X = Don’t Care
Outputs G2 P2 G3 P3 Cn+x L L H H Cn+y Cn+z G P
P0 H X X L X H X X X L X X H X X X X L
G1
P1
H H H L X X X H H H X L X X X X H H X X L X
H X X X L L X H X X X X L L X X H X X X X L X H X X L H H H H L X X X X H H H X L X X H X X X X L L L X H X X X X L L X X H X L H H H H L X X X H X X X X L L L X X X H L
L L L H H H L L ...
