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74ACT11257N PDF预览

74ACT11257N

更新时间: 2024-11-20 22:34:27
品牌 Logo 应用领域
德州仪器 - TI 解复用器逻辑集成电路输出元件
页数 文件大小 规格书
6页 101K
描述
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS

74ACT11257N 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.68其他特性:CENTER VCC/GND PINS
系列:ACTJESD-30 代码:R-PDIP-T20
长度:24.325 mm负载电容(CL):50 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.024 A
功能数量:4输入次数:2
输出次数:1端子数量:20
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:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE包装方法:TUBE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
Prop。Delay @ Nom-Sup:8.7 ns传播延迟(tpd):9.4 ns
认证状态:Not Qualified座面最大高度:5.08 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:NO技术:CMOS
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

74ACT11257N 数据手册

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74ACT11257  
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER  
WITH 3-STATE OUTPUTS  
SCAS053B – JANUARY 1989 – REVISED APRIL 1996  
DB, DW, OR N PACKAGE  
Inputs Are TTL-Voltage Compatible  
(TOP VIEW)  
3-State Outputs Interface Directly With  
System Bus  
A/B  
1Y  
2Y  
GND  
GND  
GND  
GND  
3Y  
1A  
1B  
2A  
2B  
V
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
Flow-Through Architecture Optimizes  
PCB Layout  
Center-Pin V  
Minimize High-Speed Switching Noise  
and GND Configurations  
CC  
CC  
EPIC (Enhanced-Performance Implanted  
CMOS) 1- m Process  
V
CC  
14 3A  
13 3B  
500-mA Typical Latch-Up Immunity at  
125°C  
12  
11  
4Y  
OE  
4A  
4B  
Provides Bus Interface From Multiple  
Sources in High-Performance Systems  
Package Options Include Plastic  
Small-Outline (DW) and Shrink  
Small-Outline (DB) Packages, and Standard  
Plastic 300-mil DIPs (N)  
description  
The 74ACT11257 is designed to multiplex signals from 4-bit data sources to four 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  
a high logic level.  
The 74ACT11257 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
INPUTS  
OUTPUT  
DATA  
SELECT  
A/B  
Y
OE  
A
X
L
B
X
X
X
L
H
L
L
L
L
X
L
Z
L
L
H
X
X
H
L
H
H
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 1996, 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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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