Description
The HD74AC283/HD74ACT283 high-speed 4-bit binary full adder with internal carry lookahead accepts two 4-bit binary works (A0
A3, B0
B 3) and a Carry input (C0).
S 3) and the Carry output (C4) from the most significant bit.
Features
- Outputs Source/Sink 24 mA.
- HD74ACT283 has TTL-Cmpatible Inputs
Pin Arrangement
S1 1 B1 2 A1 3 S0 4 A0 5 B0 6 C0 7 GND 8 (Top view)
16 VCC 15 B2 14 A2 13 S2 12 A3 11 B3 10 S3 9 C4
HD74AC283/HD74ACT283
Logic Symbol
A0 B0 A1 B1 A2 B2 A3 B3 C0 C4
S0
S1
S2
S3
Pin Names
A0.
- A3 B0.
- B3 C0 S0.
- S3 C4 A Operand Inputs B Operand Inputs Carry Input Sum Outputs Carry Output
Functional.