SL74LS164
Note 2: I is measured with outputs open, serial inputs grouned, the clock input at 2.4 V, and a momentary
CC
ground, then 4.5 V applied.
AC ELECTRICAL CHARACTERISTICS
(T
A
=25°C, V
CC
= 5.0 V, C
L
= 15 pF, R
L
= 2 kΩ, t
r
=15
ns, t
f
= 6.0 ns)
Symbol
t
PLH
t
PHL
t
PHL
t
su
t
h
t
w
t
w
Parameter
Propagation Delay Time, Clock to Q
Propagation Delay Time, Clock to Q
Propagation Delay Time, Reset to Q
Setup Time, A1 or A2 to Clock
Hold Time, Clock to A1 or A2
Pulse Width, Clock
Pulse Width, Reset
15
5
20
20
Min
Max
27
32
36
Unit
ns
ns
ns
ns
ns
ns
ns
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
NOTES A. C
L
includes probe and jig capacitance.
B. All diodes are 1N916 or 1N3064.
Figure 3. Switching Waveform
Figure 4. Test Circuit
SLS
System Logic
Semiconductor