Philips Semiconductors
Product specification
4-bit binary full adder with fast carry
74HC/HCT283
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
4, 1, 13, 10
∑1 to ∑4
A1 to A4
B1 to B4
CIN
sum outputs
5, 3, 14, 12
A operand inputs
B operand inputs
carry input
6, 2, 15, 11
7
8
GND
ground (0 V)
9
COUT
carry output
16
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3