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SN74ALS37A Datasheet Preview

SN74ALS37A Datasheet

QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS

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SN54ALS37A, SN74ALS37A
QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
These devices contain four independent 2-input
positive-NAND buffers. They perform the Boolean
functions Y = A B or Y = A + B in positive logic.
The SN54ALS37A is characterized for operation
over the full military temperature range of – 55°C
to 125°C. The SN74ALS37A is characterized for
operation from 0°C to 70°C.
FUNCTION TABLE
(each gate)
INPUTS
AB
OUTPUT
Y
HH
L
LX
H
XL
H
SDAS195A – APRIL 1982 – REVISED DECEMBER 1994
SN54ALS37A . . . J PACKAGE
SN74ALS37A . . . D OR N PACKAGE
(TOP VIEW)
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
14 VCC
13 4B
12 4A
11 4Y
10 3B
9 3A
8 3Y
SN54ALS37A . . . FK PACKAGE
(TOP VIEW)
3 2 1 20 19
1Y 4
18 4A
NC 5
17 NC
2A 6
16 4Y
NC 7
15 NC
2B 8
14 3B
9 10 11 12 13
logic symbol
1
1A
2
1B
4
2A
5
2B
9
3A
10
3B
12
4A
13
4B
&
3
1Y
6
2Y
8
3Y
11
4Y
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
NC – No internal connection
logic diagram (positive logic)
1
1A
2
1B
4
2A
5
2B
9
3A
10
3B
12
4A
13
4B
3
1Y
6
2Y
8
3Y
11
4Y
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1994, Texas Instruments Incorporated
1




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SN74ALS37A Datasheet Preview

SN74ALS37A Datasheet

QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS

No Preview Available !

SN54ALS37A, SN74ALS37A
QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
SDAS195A – APRIL 1982 – REVISED DECEMBER 1994
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Operating free-air temperature range, TA: SN54ALS37A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
SN74ALS37A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
VCC
VIH
VIL
IOH
IOL
TA
Supply voltage
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
SN54ALS37A
MIN NOM MAX
4.5 5 5.5
2
0.7
–1
12
– 55 125
SN74ALS37A
MIN NOM MAX
4.5 5 5.5
2
0.8
– 2.6
24
0 70
UNIT
V
V
V
mA
mA
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS37A
MIN TYP‡ MAX
SN74ALS37A
MIN TYP‡ MAX UNIT
VIK VCC = 4.5 V,
II = –18 mA
–1.5 –1.5 V
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC – 2
VCC – 2
VOH
VCC = 4.5 V
IOH = –1 mA
IOH = – 2.6 mA
2.4 3.3
2.4 3.3
V
VOL
VCC = 4.5 V
IOL = 12 mA
IOL = 24 mA
0.25 0.4
0.25 0.4
0.35 0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1 0.1 mA
IIH VCC = 5.5 V, VI = 2.7 V
20 20 µA
IIL VCC = 5.5 V,
IO§ VCC = 5.5 V,
VI = 0.4 V
VO = 2.25 V
– 0.1
– 0.1 mA
– 20 –112 – 30 –112 mA
ICCH
VCC = 5.5 V,
VI = 0
0.86 1.6
0.86 1.6
mA
ICCL
VCC = 5.5 V,
VI = 4.5 V
4.8 7.8
4.8 7.8
mA
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74ALS37A
Description QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
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