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CD74ACT157PWRE4 Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças CD74ACT157PWRE4
Descrição Electrónicos  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

CD74ACT157PWRE4 Folha de dados(HTML) 1 Page - Texas Instruments

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CD74ACT157
QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER
SCHS340B − MARCH 2003 - REVISED JUNE 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Speed of Bipolar F, AS, and S, With
Significantly Reduced Power Consumption
D Balanced Propagation Delays
D ±24-mA Output Drive Current
− Fanout to 15 F Devices
D SCR-Latchup-Resistant CMOS Process and
Circuit Design
D Exceeds 2-kV ESD Protection Per
MIL-STD-883, Method 3015
description/ordering information
This quadruple 2-line to 1-line data selector/multiplexer is designed for 4.5-V to 5.5-V VCC operation.
The CD74ACT157 features a common strobe (G) input. When the strobe is high, all outputs are low. When the
strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The device
provides true data.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − E
Tube
CD74ACT157E
CD74ACT157E
SOIC − M
Tube
CD74ACT157M
ACT157M
−55
°C to 125°C
SOIC − M
Tape and reel
CD74ACT157M96
ACT157M
−55 C to 125 C
TSSOP − PW
Tube
CD74ACT157PW
HM157
TSSOP − PW
Tape and reel
CD74ACT157PWR
HM157
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
OUTPUT
G
A/B
A
B
OUTPUT
Y
H
X
X
X
L
L
LL
X
L
L
LH
X
H
L
HX
L
L
L
H
X
H
H
Copyright
 2003, Texas Instruments Incorporated
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.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A /B
1A
1B
1Y
2A
2B
2Y
GND
VCC
G
4A
4B
4Y
3A
3B
3Y
E, M, OR PW PACKAGE
(TOP VIEW)


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