SN54/74LS37
QUAD 2-INPUT NAND BUFFER
QUAD 2-INPUT NAND BUFFER
VCC
14
1
LOW POWER SCHOTTKY
13
2
12
11
3
4
10
5
9
6
8
J SUFFIX
CERAMIC
CASE 632-08
7
14
GND
1
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
D SUFFIX
SOIC
CASE 751A-02
ORDERING INFORMATION
SN54LSXXJ
SN74LSXXN
SN74LSXXD
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
– 1.2
mA
IOL
Output Current — Low
54
74
12
24
mA
FAST AND LS TTL DATA
5-91
SN54/74LS37
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
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
Min
Parameter
Typ
Max
2.0
54
0.7
74
0.8
– 0.65
– 1.5
Unit
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 = 12 mA
74
0.35
0.5
V
IOL = 24 mA
20
µA
VCC = MAX, VIN = 2.7 V
0.1
mA
VCC = MAX, VIN = 7.0 V
– 0.4
mA
VCC = MAX, VIN = 0.4 V
–130
mA
VCC = MAX
Power Supply Current
Total, Output HIGH
2.0
mA
VCC = MAX
Total, Output LOW
12
– 30
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, RL = 667 Ω
CL = 45 pF
tPLH
Turn-Off Delay, Input to Output
12
24
ns
tPHL
Turn-On Delay, Input to Output
12
24
ns
FAST AND LS TTL DATA
5-92
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
-A-
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Case 646-06 N Suffix
14-Pin Plastic
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14
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B
1
A
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C
J
N
K
M
FAST AND LS TTL DATA
5-93
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◊
FAST AND LS TTL DATA
5-94