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SN74HC257PWT Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças SN74HC257PWT
Descrição Electrónicos  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
Download  21 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

SN74HC257PWT Folha de dados(HTML) 1 Page - Texas Instruments

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SN54HC257, SN54HC258, SN74HC257, SN74HC258
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
WITH 3STATE OUTPUTS
SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current Inverting Outputs Drive Up To
15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D ’HC257 ...Typical tpd = 9 ns
D ’HC258 ...Typical tpd = 12 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Provides Bus Interface from Multiple
Sources in High-Performance Systems
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
SN54HC257, SN54HC258...J PACKAGE
SN74HC257, SN74HC258...D, N, NS, OR PW PACKAGE
(TOP VIEW)
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
SN54HC257, SN54HC258...FK PACKAGE
(TOP VIEW)
NC − No internal connection
1B
1Y
NC
2A
2B
description/ordering information
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC257N
SN74HC257N
PDIP − N
Tube of 25
SN74HC258N
SN74HC258N
Tube of 40
SN74HC257D
Reel of 2500
SN74HC257DR
HC257
SOIC − D
Reel of 250
SN74HC257DT
HC257
SOIC − D
Tube of 40
SN74HC258D
HC258
Reel of 2500
SN74HC258DR
HC258
−40
°C to 85°C
SOP − NS
Reel of 2000
SN74HC257NSR
HC257
−40 C to 85 C
SOP − NS
Reel of 2000
SN74HC258NSR
HC258
Tube of 90
SN74HC257PW
Reel of 2000
SN74HC257PWR
HC257
TSSOP − PW
Reel of 250
SN74HC257PWT
HC257
TSSOP − PW
Tube of 90
SN74HC258PW
Reel of 2000
SN74HC258PWR
HC258
Reel of 250
SN74HC258PWT
HC258
CDIP − J
Tube of 25
SNJ54HC257J
SNJ54HC257J
−55
°C to 125°C
CDIP − J
Tube of 25
SNJ54HC258J
SNJ54HC258J
−55
°C to 125°C
LCCC − FK
Tube of 55
SNJ54HC257FK
SNJ54HC257FK
LCCC − FK
Tube of 55
SNJ54HC258FK
SNJ54HC258FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
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.
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.


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