Datasheet Summary
CD54ACT163, CD74ACT163 4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS300B
- APRIL 2000
- REVISED MARCH 2003
D Inputs Are TTL-Voltage patible D Internal Look-Ahead for Fast Counting D Carry Output for n-Bit Cascading
CD54ACT163 . . . F PACKAGE CD74ACT163 . . . E OR M PACKAGE
(TOP VIEW)
D Synchronous Counting
CLR 1
16 VCC
D Synchronously Programmable
CLK 2 A3
15 RCO 14 QA description/ordering information
The ’ACT163 devices are 4-bit binary counters. These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. Synchronous
B4 C5 D6 ENP 7 GND 8
13 QB 12 QC 11 QD 10 ENT
9 LOAD operation is provided by having all flip-flops...