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SN74F38NSRE4 Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças SN74F38NSRE4
Descrição Electrónicos  QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

SN74F38NSRE4 Folha de dados(HTML) 1 Page - Texas Instruments

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SN54F38, SN74F38
QUADRUPLE 2INPUT POSITIVENAND BUFFERS
WITH OPENCOLLECTOR OUTPUTS
SDFS013A − MARCH 1987 − REVISED OCTOBER 1993
Copyright
1993, Texas Instruments Incorporated
2−1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
These devices contain four independent 2-input
NAND buffer gates with open-collector outputs.
They perform the Boolean functions Y = A
• B or
Y = A + B in positive logic.
The
open-collector
outputs
require
pullup
resistors to perform correctly. They may be
connected to other open-collector outputs to
implement active-low wired-OR or active-high
wired-AND functions. Open-collector devices are
often used to generate higher VOH levels.
The SN54F38 is characterized for operation over
the full military temperature range of − 55
°C to
125
°C. The SN74F38 is characterized for
operation from 0
°C to 70°C.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
A
B
OUTPUT
Y
H
H
L
L
XH
X
L
H
logic symbol
logic diagram (positive logic)
1
1A
2
1B
4
2A
5
2B
9
3A
10
3B
12
4A
13
4B
&
1Y
3
2Y
6
3Y
8
4Y
11
1Y
3
1
1A
2
1B
2Y
6
4
2A
5
2B
3Y
8
9
3A
10
3B
4Y
11
12
4A
13
4B
† 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.
SN54F38 ...J PACKAGE
SN74F38 ...D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
SN54F38 . . . FK PACKAGE
(TOP VIEW)
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3B
1Y
NC
2A
NC
2B
NC − No internal connection
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.


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