5-68
FAST AND LS TTL DATA
SN54/74LS26
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
V
IH
Input HIGH Voltage 2.0 V
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
Guaranteed Input LOW Voltage for
All Inputs
V
IK
Input Clamp Diode Voltage –0.65 –1.5 V V
CC
= MIN, I
IN
= –18 mA
54, 74 1000 µA V
CC
= MIN, V
OH
= MAX
54, 74 50 µA V
CC
= MIN, V
OH
= 12 V
54, 74 0.25 0.4 V I
OL
= 4.0 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
74 0.35 0.5 V I
OL
= 8.0 mA
V
IN
= V
IL
or V
IH
per Truth Table
20 µA V
CC
= MAX, V
IN
= 2.7 V
0.1 mA V
CC
= MAX, V
IN
= 7.0 V
I
IL
Input LOW Current –0.4 mA V
CC
= MAX, V
IN
= 0.4 V
I
Power Supply Current
Total, Output HIGH
1.6
mA V
AC CHARACTERISTICS (T
A
= 25°C)
t
PLH
Turn-Off Delay, Input to Output 17 32 ns
V
CC
= 5.0 V
C
L
= 15 pF, R
L
= 2.0 kΩ
t
PHL
Turn-On Delay, Input to Output 15 28 ns
V
CC
= 5.0 V
C
L
= 15 pF, R
L
= 2.0 kΩ
