74F161A Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
fabricante
74F161A Datasheet PDF : 14 Pages
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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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