Philips Semiconductors Product specification
74F573/74F574Latch/flip-flop
1989 Oct 16
8
AC WAVEFORMS
For all waveforms, V
M
= 1.5V
The shaded areas indicate when the input is permitted to change for predictable output performance.
t
W
(H)
E, CP
Q
n
V
M
V
M
V
M
V
M
V
M
1/f
MAX
t
W
(L)
t
PLH
t
PHL
SF01081
Waveform 1. Propagation Delay, Clock and Enable Inputs
to Output, Enable, Clock Pulse Widths,
and Maximum Clock Frequency
V
M
V
M
V
M
t
PHL
Dn
V
M
t
PLH
SF01082
Qn
Waveform 2. Propagation Delay for Data to Outputs
t
h
(H)t
s
(H)
CP
SF00191
V
M
V
M
V
M
V
M
V
M
V
M
t
h
(L)t
s
(L)
Dn
Waveform 3. Data Setup and Hold Times
E
Dn
V
M
V
M
V
M
V
M
V
M
V
M
t
s
(L)t
s
(H)
t
h
(L)t
h
(H)
SF00992
Waveform 4. Data Setup and Hold Times
V
M
V
M
V
M
t
PHZ
t
PZH
V
OH
-0.3V
0V
OE
Qn
SF00343
Waveform 5. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
Qn
OE
SF00344
Waveform 6. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
