Philips Semiconductors

Product specification

74F161A, 74F163A

4-bit binary counters

1996 Jan 29

9

AC WAVEFORMS

The shaded areas indicate when the input is permitted to change for predictable output performance.

SF00667

CP

Qn, TC

Waveform 1. Propagation Delay, Clock Input to Output,

Clock Pulse Width, and Maximum Clock Frequency

SF00668

CET

TC

Waveform 2. Propagation Delay, CET Input to TC Output

SF00669

MR

CP

Qn, TC

Waveform 3. Master Reset Pulse Width, Master Reset to

Output Delay, and Master Reset to Recovery Time

SF00670

CEP

CET

CP

Waveform 4. CEP and CET Reset Setup and Hold Times

SF00671

SR

CP

Waveform 5. Synchronous Reset Setup and Hold Times

SF00672

PE

CP

Dn

Waveform 6. Parallel Data and Parallel Enable

Setup and Hold Times