N74ALS74AD Просмотр технического описания (PDF) - Philips Electronics
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N74ALS74AD Datasheet PDF : 10 Pages
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Philips Semiconductors
Dual D-type flip-flop with set and reset
Product specification
74ALS74A
AC WAVEFORMS
For all waveforms, VM = 1.3V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
Dn
VM
VM
VM
VM
tsu(L) th(L)
tsu(H) th(H)
1/fmax
CPn
VM
VM
tw(L)
VM
tw(H)
tPLH
tPHL
Qn
VM
VM
tPHL
tPLH
Qn
VM
VM
SF00049
Waveform 1. Propagation Delay for Data to Output,
Data Setup and Hold Times, Clock Width,
and Maximum Clock Frequency
Dn
SDn VM
tw(L)
CPn
VM
tREC
VM
tPLH
Qn
VM
tPHL
Qn
VM
SC00040
Waveform 2. Propagation Delay for Set to Output,
Set Pulse Width and Recovery Time for Set to Clock
Dn
RDn VM
tw(L)
CPn
VM
tREC
VM
tPLH
Qn
VM
tPHL
Qn
VM
SC00041
Waveform 3. Propagation Delay for Reset to Output,
Reset Pulse Width and Recovery Time for Reset to Clock
1996 Jul 01
5
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