CD54ACT161 Datasheet, PDF (5/14 Pages) Texas Instruments – 4-BIT SYNCHRONOUS BINARY COUNTERS

CD54ACT161, CD74ACT161
4-BIT SYNCHRONOUS BINARY COUNTERS
typical clear, preset, count, and inhibit sequence
The following sequence is illustrated below:
1. Clear outputs to zero (asynchronous)
2. Preset to binary 12
3. Count to 13, 14, 15, 0, 1, and 2
4. Inhibit
SCHS298B – APRIL 2000 – REVISED MARCH 2003
CLR
LOAD
A
B
Data
Inputs
C
D
CLK
ENP
ENT
Data
Outputs
QA
QB
QC
QD
RCO
12 13 14 15 0 1 2
Count
Preset
Inhibit
Async
Clear
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