74F161A データシートの表示（PDF） - Philips Electronics

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74F161A

4-bit binary counter

Philips Electronics 

Philips Semiconductors

4-bit binary counters

Product specification

74F161A, 74F163A

AC WAVEFORMS

For all waveforms, VM = 1.5V.

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

1/fMAX

CP

Qn, TC

VM

tw(H)

tPLH

VM

tw(L)

VM

VM

tPHL

VM

CET

TC

VM

tPLH

VM

VM

tPHL

VM

SF00667

Waveform 1. Propagation Delay, Clock Input to Output,

Clock Pulse Width, and Maximum Clock Frequency

SF00668

Waveform 2. Propagation Delay, CET Input to TC Output

tw(L)

MR

VM

CP

tPHL

VM

tREC

VM

Qn, TC

VM

SF00669

Waveform 3. Master Reset Pulse Width, Master Reset to

Output Delay, and Master Reset to Recovery Time

CEP

CET

CP

VM

VM

ts(H)

th(H)

VM

VM

VM

ts(L)

th(L)

VM

SF00670

Waveform 4. CEP and CET Reset Setup and Hold Times

SR

VM

VM

VM

VM

ts(L)

th(L)

ts(H)

th(H)

CP

VM

VM

SF00671

Waveform 5. Synchronous Reset Setup and Hold Times

Dn

VM

VM

ts

th

PE

VM

VM

VM

VM

ts(L)

th(L)

ts(H)

th(H)

CP

VM

VM

SF00672

Waveform 6. Parallel Data and Parallel Enable

Setup and Hold Times

1996 Jan 29

9

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