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| 74ABT74 Datasheet, PDF (4/5 Pages) NXP Semiconductors – Dual D-type flip-flop | |||
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Philips Semiconductors
Dual D-type flip-flop
Product specification
74ABT74
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
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 time and hold times, and clock width,
and maximum clock frequency
SDn or RDn
VM
trec
CPn
VM
SF00051
Waveform 2. Recovery time for set or reset to clock
tw(L)
SDn VM
VM
RDn
tPLH
tw(L)
VM
VM
tPHL
Qn
VM
tPHL
VM
tPLH
Qn
VM
VM
SF00050
Waveform 3. Propagation delay for set and reset to output,
set and reset pulse width
INPUT
OUTPUT
OUTPUT N
same part
tPLH
MIN
tPHL
MIN
tPLH MAX
tOSLH
tPHLMAX
tOSHL
Waveform 4. Common edge skew
SA00381
1995 Sep 22
4
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