Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

SN74AHCT257DB Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças SN74AHCT257DB
Descrição Electrónicos  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
Download  7 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

SN74AHCT257DB Folha de dados(HTML) 1 Page - Texas Instruments

  SN74AHCT257DB Datasheet HTML 1Page - Texas Instruments SN74AHCT257DB Datasheet HTML 2Page - Texas Instruments SN74AHCT257DB Datasheet HTML 3Page - Texas Instruments SN74AHCT257DB Datasheet HTML 4Page - Texas Instruments SN74AHCT257DB Datasheet HTML 5Page - Texas Instruments SN74AHCT257DB Datasheet HTML 6Page - Texas Instruments SN74AHCT257DB Datasheet HTML 7Page - Texas Instruments  
Zoom Inzoom in Zoom Outzoom out
 1 / 7 page
background image
SN54AHCT257, SN74AHCT257
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCLS351E – MAY 1996 – REVISED OCTOBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D EPIC™ (Enhanced-Performance Implanted
CMOS) Process
D Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), Thin
Shrink Small-Outline (PW), and Ceramic
Flat (W) Packages, Ceramic Chip Carriers
(FK), and Standard Plastic (N) and Ceramic
(J) DIPs
description
These
quadruple
2-line
to
1-line
data
selectors/multiplexers are designed for 4.5-V to
5.5-V VCC operation.
The ’AHCT257 devices are designed to multiplex
signals from 4-bit data sources to 4-output data
lines in bus-organized systems. The 3-state
outputs do not load the data lines when the
output-enable (OE) input is at the high logic level.
To ensure the high-impedance state during power
up or power down, OE should be tied to VCC
through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking
capability of the driver.
The
SN54AHCT257
is
characterized
for
operation over the full military temperature range
of –55
°C to 125°C. The SN74AHCT257 is
characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
OE
A/B
A
B
Y
H
X
X
X
Z
L
LL
X
L
L
LH
X
H
L
HX
L
L
L
H
X
H
H
Copyright
© 1998, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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.
EPIC is a trademark of Texas Instruments Incorporated.
SN54AHCT257 ...J OR W PACKAGE
SN74AHCT257 . . . D, DB, DGV, N, OR PW PACKAGE
(TOP VIEW)
SN54AHCT257 . . . FK PACKAGE
(TOP VIEW)
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
OE
4A
4B
4Y
3A
3B
3Y
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
NC – No internal connection


Nº de peça semelhante - SN74AHCT257DB

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
Texas Instruments
SN74AHCT240 TI-SN74AHCT240 Datasheet
86Kb / 6P
[Old version datasheet]   OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74AHCT240 TI-SN74AHCT240 Datasheet
950Kb / 26P
[Old version datasheet]   OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74AHCT240 TI-SN74AHCT240 Datasheet
1Mb / 28P
[Old version datasheet]   OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74AHCT240 TI1-SN74AHCT240 Datasheet
1Mb / 28P
[Old version datasheet]   SNx4AHCT240 Octal Buffers/Drivers With 3-State Outputs
SN74AHCT240-Q1 TI1-SN74AHCT240-Q1 Datasheet
178Kb / 9P
[Old version datasheet]   OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
More results

Descrição semelhante - SN74AHCT257DB

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
Texas Instruments
SN54F257 TI-SN54F257 Datasheet
74Kb / 5P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54F258 TI-SN54F258 Datasheet
75Kb / 5P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54HCT257 TI-SN54HCT257 Datasheet
272Kb / 9P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54F258 TI1-SN54F258_12 Datasheet
79Kb / 5P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54HC257 TI-SN54HC257 Datasheet
478Kb / 16P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54ALS257A TI-SN54ALS257A Datasheet
139Kb / 9P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54HC257 TI1-SN54HC257_15 Datasheet
1Mb / 21P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54HC257 TI-SN54HC257_06 Datasheet
471Kb / 17P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74LVC257A TI-SN74LVC257A Datasheet
539Kb / 15P
[Old version datasheet]   QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS
SN54AHC257 TI-SN54AHC257 Datasheet
136Kb / 9P
[Old version datasheet]   QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
More results


Html Pages

1 2 3 4 5 6 7


Folha de dados Download

Go To PDF Page


Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com