SN54/74LS260
DUAL 5-INPUT NOR GATE
DUAL 5-INPUT NOR GATE
VCC
14
13
12
11
10
9
8
1
2
3
4
5
6
7
GND
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 632-08
14
1
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
D SUFFIX
SOIC
CASE 751A-02
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
– 55
0
25
25
125
70
°C
IOH
Output Current — High
54, 74
– 0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA
FAST AND LS TTL DATA
5-439
SN54/74LS260
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Min
Parameter
VIH
Input HIGH Voltage
VIL
Input LOW Voltage
VIK
Input Clamp Diode Voltage
VOH
Output HIGH Voltage
VOL
Output LOW Voltage
IIH
Input HIGH Current
IIL
Input LOW Current
IOS
Short Circuit Current (Note 1)
ICC
Power Supply Current
Total, Output HIGH
Total, Output LOW
Typ
Max
Unit
2.0
54
0.7
74
0.8
– 0.65
– 1.5
Test Conditions
V
Guaranteed Input HIGH Voltage for
All Inputs
V
Guaranteed Input LOW Voltage for
All Inputs
V
VCC = MIN, IIN = – 18 mA
54
2.5
3.5
V
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
54, 74
0.25
0.4
V
IOL = 4.0 mA
74
0.35
0.5
V
IOL = 8.0 mA
20
µA
VCC = MAX, VIN = 2.7 V
–20
0.1
mA
VCC = MAX, VIN = 7.0 V
– 0.4
mA
VCC = MAX, VIN = 0.4 V
– 100
mA
VCC = MAX
4.0
mA
VCC = MAX
5.5
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VCC = 5.0 V
CL = 15 pF
tPLH
Turn-Off Delay, Input to Output
5.0
15
ns
tPHL
Turn-On Delay, Input to Output
6.0
15
ns
FAST AND LS TTL DATA
5-440
Case 751A-02 D Suffix
14-Pin Plastic
SO-14
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Case 632-08 J Suffix
14-Pin Ceramic Dual In-Line
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14-Pin Plastic
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FAST AND LS TTL DATA
5-441
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◊
FAST AND LS TTL DATA
5-442