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SN74AHCT257DBLE PDF预览

SN74AHCT257DBLE

更新时间： 2024-02-11 21:33:18
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
7页 112K
描述
AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, SSOP-16

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SN74AHCT257DBLE 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SSOP, SSOP16,.3
针数：16Reach Compliance Code：not_compliant
HTS代码：8542.39.00.01风险等级：5.92
系列：AHCJESD-30 代码：R-PDSO-G16
长度：6.2 mm负载电容（CL）：50 pF
逻辑集成电路类型：MULTIPLEXER最大I（ol）：0.008 A
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：SSOP
封装等效代码：SSOP16,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH包装方法：TAPE AND REEL
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified座面最大高度：2 mm
子类别：Multiplexer/Demultiplexers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
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5.3 mm
Base Number Matches：1

SN74AHCT257DBLE 数据手册

 浏览型号SN74AHCT257DBLE的Datasheet PDF文件第2页浏览型号SN74AHCT257DBLE的Datasheet PDF文件第3页浏览型号SN74AHCT257DBLE的Datasheet PDF文件第4页浏览型号SN74AHCT257DBLE的Datasheet PDF文件第5页浏览型号SN74AHCT257DBLE的Datasheet PDF文件第6页浏览型号SN74AHCT257DBLE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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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, SSOP-16
SN74AHCT257DGV TI

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 		QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AHCT257DGVR TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, TVSOP-16
SN74AHCT257N TI

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 		QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AHCT257OR TI

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 		QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AHCT257PW TI

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 		QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AHCT257PWLE TI

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 		AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, TSSOP-16
SN74AHCT257PWR TI

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

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