74F579 Philips, 74F579 Datasheet - Page 9

• Manufacturer Part Number: 74F579
• Description: 8-bit bidirectional binary counter 3-State
• Manufacturer: Philips

Philips Semiconductors
AC WAVEFORMS
NOTE: For all waveforms V
The shaded areas indicate when the input is permitted to change for predictable output performance.
1992 May 04
I/O
PE, OE,
U/D, SR,
8-bit bidirectional binary counter (3-State)
Waveform 7. 3-State Output Enable Time to Low Level and
PE, CS,
n,
Waveform 1. Propagation Delay, Clock Input to Output,
CET
CEP,
I/O
CET
I/O
TC
CS
TC
CP
CP
Clock Pulse Width and Maximum Clock Frequency
n
n
Waveform 3. Propagation Delay, CET Input to
Output Disable Time from Low Level
Waveform 5. Setup and Hold Times
V
t
t
PLH
PHL
M
V
M
t
W
t
V
s
(H)
(H)
M
Terminal Count Output
t
V
PHL
t
PZL
M
V
V
M
M
1/f
V
M
M
MAX
V
= 1.5V.
M
V
t
h
M
t
(L)
W
V
(L)
M
V
M
t
t
PLH
PLZ
V
V
t
t
M
PHL
PLH
V
M
M
SF01091
V
V
V
SF01089
t
M
s
M
M
(L)
V
V
M
SF01095
OL
V
M
+0.3V
SF01093
t
h
(L)
9
MR, U/D
I/O
PE, OE,
Waveform 6. 3-State Output Enable Time to High Level and
MR
CP
Waveform 2. Master Reset Pulse Width, Master Reset to
n
Output Delay and Master Reset to Clock Recovery Time
Waveform 4. Propagation Delay, U/D and MR Inputs to
I/O
TC
CS
n
Output Disable Time from High Level
V
t
PHL
M
V
M
Terminal Count Output
t
PHL
V
t
PZH
M
V
M
t
W
V
(L)
M
V
M
t
PHZ
V
M
Product specification
V
V
M
t
M
t
rec
PLH
74F579
SF01092
SF01090
SF01094
V
V
OH
M
-0.3V