Datasheet Summary
CD54AC163, CD74AC163 4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS299B
- APRIL 2000
- REVISED MARCH 2003
D Internal Look-Ahead for Fast Counting D Carry Output for n-Bit Cascading D Synchronous Counting D Synchronously Programmable
CD54AC163 . . . F PACKAGE CD74AC163 . . . E OR M PACKAGE
(TOP VIEW)
CLR 1 CLK 2
16 VCC 15 RCO description/ordering information
The ’AC163 devices are 4-bit binary counters. These synchronous, presettable counters feature an internal carry look-ahead for application in
A3 B4 C5 D6 ENP 7
14 QA 13 QB 12 QC 11 QD 10 ENT high-speed counting designs. Synchronous operation is provided by having all flip-flops
GND 8
9 LOAD clocked simultaneously so that the...