SN74LS28D Motorola, SN74LS28D Datasheet - Page 2

• Manufacturer Part Number: SN74LS28D
• Description: QUAD 2-INPUT NOR BUFFER
• Manufacturer: Motorola

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
V IH
V IL
V IL
V IK
V OH
V OH
V OL
V OL
I IH
I IH
I IL
I OS
I CC
I CC
t PLH
t PHL
Symbol
Symbol
Symbol
Symbol
Input HIGH Voltage
Input LOW Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Input HIGH Current
Input HIGH Current
Input LOW Current
Short Circuit Current (Note 1)
Power Supply Current
Propagation Delay
Propagation Delay
Total, Output HIGH
Total, Output LOW
(T A = 25 C)
Parameter
Parameter
Parameter
Parameter
FAST AND LS TTL DATA
54, 74
54
74
54
74
74
SN54/74LS28
– 30
Min
Min
2.0
2.5
2.7
5-76
Limits
Limits
– 0.65
0.25
0.35
Typ
Typ
3.5
3.5
12
12
(unless otherwise specified)
– 1.5
– 0.4
–130
Max
13.8
Max
0.7
0.8
0.4
0.5
0.1
3.6
20
24
24
Unit
Unit
Unit
Unit
mA
mA
mA
mA
mA
ns
ns
V
V
V
V
V
V
V
V
A
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
Guaranteed Input LOW Voltage for
All Inputs
All Inputs
V CC = MIN, I IN = – 18 mA
V CC = MIN, I OH = MAX, V IN = V IH
V CC = MIN, I OH = MAX, V IN = V IH
or V IL per Truth Table
or V IL per Truth Table
I OL = 12 mA
I OL = 24 mA
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
V CC = MAX
C L = 45 pF, R L = 667
C L = 45 pF, R L = 667
Test Conditions
Test Conditions
Test Conditions
Test Conditions
V CC = 5.0 V
V CC = 5.0 V
V CC = V CC MIN,
V IN = V IL or V IH
V IN = V IL or V IH
per Truth Table
per Truth Table