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SN74AHCT257PWR PDF预览

SN74AHCT257PWR

更新时间： 2024-01-03 08:28:38
品牌 Logo 应用领域
德州仪器 - TI 复用器输出元件
页数 文件大小 规格书
7页 107K
描述
AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, TSSOP-16

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SN74AHCT257PWR 技术参数

生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP,针数：16
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.32Is Samacsys：N
系列：AHCJESD-30 代码：R-PDSO-G16
长度：5 mm逻辑集成电路类型：MULTIPLEXER
功能数量：4输入次数：2
输出次数：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
输出特性：3-STATE输出极性：TRUE
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

SN74AHCT257PWR 数据手册

 浏览型号SN74AHCT257PWR的Datasheet PDF文件第2页浏览型号SN74AHCT257PWR的Datasheet PDF文件第3页浏览型号SN74AHCT257PWR的Datasheet PDF文件第4页浏览型号SN74AHCT257PWR的Datasheet PDF文件第5页浏览型号SN74AHCT257PWR的Datasheet PDF文件第6页浏览型号SN74AHCT257PWR的Datasheet PDF文件第7页 
SN54AHCT257, SN74AHCT257  
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS  
WITH 3-STATE OUTPUTS  
SCLS351E – MAY 1996 – REVISED OCTOBER 1998  
SN54AHCT257 . . . J OR W PACKAGE  
SN74AHCT257 . . . D, DB, DGV, N, OR PW PACKAGE  
(TOP VIEW)  
Inputs Are TTL-Voltage Compatible  
EPIC (Enhanced-Performance Implanted  
CMOS) Process  
A/B  
1A  
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
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  
OE  
4A  
4B  
1B  
1Y  
2A  
12 4Y  
11  
10  
9
2B  
3A  
3B  
3Y  
2Y  
GND  
description  
These quadruple 2-line to 1-line data  
selectors/multiplexers are designed for 4.5-V to  
SN54AHCT257 . . . FK PACKAGE  
(TOP VIEW)  
5.5-V V  
operation.  
CC  
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.  
3
2
1 20 19  
18  
4A  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
17 4B  
16  
NC  
15  
4Y  
To ensure the high-impedance state during power  
14  
3A  
up or power down, OE should be tied to V  
CC  
9 10 11 12 13  
through a pullup resistor; the minimum value of  
the resistor is determined by the current-sinking  
capability of the driver.  
NC – No internal connection  
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  
Y
A/B  
A
X
L
B
X
X
X
L
OE  
H
L
X
L
Z
L
L
L
H
X
X
H
L
L
H
H
L
H
H
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.  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567

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与SN74AHCT257PWR相关器件

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SN74AHCT257-Q1 TI

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 		Automotive quadruple 2-line to 1-line data selectors/multiplexers with TTL inputs
SN74AHCT257QPWRQ1 TI

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 		Automotive quadruple 2-line to 1-line data selectors/multiplexers with TTL inputs | PW | 1
SN74AHCT258DBLE TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, SSOP-16
SN74AHCT258DBR TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, SSOP-16
SN74AHCT258DGV TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, TVSOP-16
SN74AHCT258DGVR TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, TVSOP-16
SN74AHCT258DR TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, SO-16
SN74AHCT258N TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16, PLASTIC, DIP-16
SN74AHCT258PWLE TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, TSSOP-16
SN74AHCT258PWR TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, PLASTIC, TSSOP-16

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