SN74LS147 SN74LS148
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
Input HIGH Current
All Others
Inputs 1 – 7 (LS148)
All Others
Inputs 1 – 7 (LS148)
I
IL
I
OS
I
CCH
I
CCL
Input LOW Current
All Others
Inputs 1 – 7 (LS148)
Short Circuit Current (Note 1)
Power Supply Current Output HIGH
Output LOW
– 20
0.5
20
40
0.1
0.2
– 0.4
– 0.8
– 100
17
20
V
µA
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
IL
or V
IH
per Truth Table
V
CC
= MAX, V
IN
= 2.7 V
I
IH
mA
V
CC
= MAX, V
IN
= 7.0 V
mA
mA
mA
mA
V
CC
= MAX, V
IN
= 0.4 V
V
CC
= MAX
V
CC
= MAX, All Inputs = 4.5 V
V
CC
= MAX, Inputs 7 & E1 = GND
All Other Inputs = 4.5 V
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
http://onsemi.com
4