74ALS109A Philips Semiconductors, 74ALS109A Datasheet - Page 5

• Manufacturer Part Number: 74ALS109A
• Description: Dual J-K positive edge-triggered flip-flop with set and reset
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC WAVEFORMS
For all waveforms, V
The shaded areas indicate when the input is permitted to change for predictable output performance.
1991 Feb 08
CPn
Jn,
Kn
Qn
Qn
Dual J-K positive edge triggered flip-flop
with set and reset
Jn, Kn
SDn
CPn
Qn
Qn
Waveform 1. Propagation Delay for Data to Output,
Set Pulse Width and Recovery Time for Set to Clock
Waveform 2. Propagation Delay for Set to Output,
Data Setup Time and Hold Times, Clock Width,
V
M
t
V
su
V
M
M
(L)
and Maximum Clock Frequency
t
t
PLH
PHL
t
h
M
t
V
(L)
w
t
t
PLH
PHL
M
(L)
= 1.3V.
t
w
(H)
V
V
M
M
V
V
V
M
1/f
M
M
V
max
M
t
REC
t
w
(L)
t
V
su
M
V
(H)
M
t
h
V
V
(H)
t
M
t
PHL
M
PLH
V
V
M
M
SC00044
SC00043
5
Jn, Kn
Reset Pulse Width and Recovery Time for Reset to Clock
RDn
CPn
Qn
Qn
Waveform 3. Propagation Delay for Reset to Output,
V
M
t
t
PLH
PHL
t
w
(L)
V
V
M
M
V
M
t
REC
74ALS109A
V
M
Product specification
SC00045