74F191 Philips, 74F191 Datasheet - Page 9

• Manufacturer Part Number: 74F191
• Description: Up/down binary counter with reset and ripple clock
• Manufacturer: Philips

Philips Semiconductors
AC WAVEFORMS
NOTE: For all waveforms, V
Waveform 5. Parallel Load Pulse Width, Parallel Load to Output
1995 Jul 17
RC, TC, Q
Up/Down binary counter with reset and ripple clock
RC, Q
Waveform 1. Propagation Delay, Clock Input to Output,
RC, Q
TC, Q
Waveform 3. Propagation Delay, Non-Inverting Path
Clock Pulse Width, and Maximum Clock Frequency.
PL
CP
Delay and Parallel Load to Clock Recovery Time
CP
n
D
, TC
n
n
n
n
t
PHL
V
t
W
t
t
M
V
PLH
PHL
(H)
M
t
W
V
t
PLH
M
(L)
V
1/f
M
M
MAX
= 1.5V
V
V
M
M
t
W
V
(L)
M
V
t
REC
M
t
V
PHL
t
M
PLH
V
M
V
M
SF00736
SF00738
SF00734
V
M
V
M
9
The shaded areas indicate when the input is permitted
to change for predictable output performance.
CE, CP
CE,
D
U/D
Waveform 2. Propagation Delay, Clock, Clock Enable or
n
CP
U/D
PL
RC
U/D, D
RC, TC
Waveform 4. Propagation Delay, Inverting Path
n
Waveform 6. Data Set Up and Hold Times
Up/Down to Ripple Clock Output
t
S
V
(H)
M
t
PHL
V
V
t
PHL
V
M
M
M
V
M
V
M
V
M
t
h
(H)
t
S
t
V
PLH
(L)
M
Product specification
V
M
t
PLH
74F191
SF00737
V
M
V
SF00735
V
V
M
M
M
SF00739
t
h
(L)