SN74LS164
DC CHARACTERISTICS OVER OPERATING
TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
V
IH
V
IL
V
IK
V
OH
Parameter
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
2.7
– 0.65
3.5
0.25
V
O
OL
Output LOW Voltage
0.35
I
IH
I
IL
I
OS
I
CC
Input HIGH Current
0.1
Input LOW Current
Short Circuit Current (Note 1)
Power Supply Current
– 20
– 0.4
–100
27
0.5
20
V
µA
mA
mA
mA
mA
I
OL
= 8.0 mA
0.4
Min
2.0
0.8
– 1.5
Typ
Max
Unit
V
V
V
V
V
Test Conditions
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
All Inputs
V
CC
= MIN, I
IN
= – 18 mA
V
CC
= MIN, I
OH
= MAX, V
IN
= V
IH
or V
IL
per Truth Table
I
OL
= 4.0 mA
V
CC
= V
CC
MIN,
V
IN
= V
IH
or V
IL
per Truth Table
V
CC
= MAX, V
IN
= 2.7 V
V
CC
= MAX, V
IN
= 7.0 V
V
CC
= MAX, V
IN
= 0.4 V
V
CC
= MAX
V
CC
= MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(T
A
= 25°C)
Limits
Symbol
f
MAX
t
PHL
t
PLH
t
PHL
Parameter
Maximum Clock Frequency
Propagation Delay
MR to Output Q
Propagation Delay
Clock to Output Q
Min
25
Typ
36
24
17
21
36
27
32
Max
Unit
MHz
ns
ns
V
CC
= 5.0 V
C
L
= 15 pF
F
Test Conditions
AC SETUP REQUIREMENTS
(T
A
= 25°C)
Limits
Symbol
t
W
t
s
t
h
t
rec
Parameter
CP, MR Pulse Width
Data Setup Time
Data Hold Time
MR to Clock Recovery Time
Min
20
15
5.0
20
Typ
Max
Unit
ns
ns
ns
ns
V
CC
= 5 0 V
5.0
Test Conditions
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