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SN74ALS139N PDF预览

SN74ALS139N

更新时间: 2024-11-23 23:06:15
品牌 Logo 应用领域
德州仪器 - TI 解码器解复用器
页数 文件大小 规格书
13页 485K
描述
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

SN74ALS139N 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:DIP包装说明:DIP, DIP16,.3
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:1.11
系列:ALS输入调节:STANDARD
JESD-30 代码:R-PDIP-T16JESD-609代码:e4
长度:19.3 mm负载电容(CL):50 pF
逻辑集成电路类型:OTHER DECODER/DRIVER最大I(ol):0.008 A
位数:4功能数量:2
端子数量:16最高工作温度:70 °C
最低工作温度:输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.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
最大电源电流(ICC):13 mAProp。Delay @ Nom-Sup:14 ns
传播延迟(tpd):14 ns认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Decoder/Drivers
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:TTL温度等级:COMMERCIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)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:6.35 mm
Base Number Matches:1

SN74ALS139N 数据手册

 浏览型号SN74ALS139N的Datasheet PDF文件第2页浏览型号SN74ALS139N的Datasheet PDF文件第3页浏览型号SN74ALS139N的Datasheet PDF文件第4页浏览型号SN74ALS139N的Datasheet PDF文件第5页浏览型号SN74ALS139N的Datasheet PDF文件第6页浏览型号SN74ALS139N的Datasheet PDF文件第7页 
SN54ALS139, SN74ALS139  
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS  
SDAS204A – APRIL 1982 – REVISED DECEMBER 1994  
SN54ALS139 . . . J PACKAGE  
SN74ALS139 . . . D OR N PACKAGE  
(TOP VIEW)  
Designed Specifically for High-Speed  
Memory Decoders and Data Transmission  
Systems  
Incorporate Two Enable Inputs to Simplify  
1G  
1A  
1B  
1Y0  
1Y1  
1Y2  
1Y3  
GND  
V
CC  
2G  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Cascading and/or Data Reception  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
2A  
2B  
2Y0  
2Y1  
2Y2  
2Y3  
description  
The ALS139 are dual 2-line to 4-line  
decoders/demultiplexers designed for use in  
high-performance memory-decoding or data-  
routing applications requiring very short  
propagation delay times. In high-performance  
memory systems, these devices can minimize the  
effects of system decoding. When employed with  
high-speed memories utilizing a fast-enable  
circuit, the delay times of these decoders and the  
enable time of the memory are usually less than  
the typical access time of the memory. Therefore,  
the effective system delay introduced by the  
Schottky-clamped system decoder is negligible.  
SN54ALS139 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18 2A  
1B  
1Y0  
NC  
4
5
6
7
8
17  
16  
15  
14  
2B  
NC  
2Y0  
2Y1  
1Y1  
1Y2  
9 10 11 12 13  
The ALS139 comprise two individual 2-line to  
4-line decoders in a single package. The  
active-low enable (G) input can be used as a data  
line in demultiplexing applications. These  
NC – No internal connection  
decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its  
driving circuit. All inputs are clamped with high-performance Schottky diodes to suppress line ringing and  
simplify system design.  
The SN54ALS139 is characterized for operation over the full military temperature range of 55°C to 125°C. The  
SN74ALS139 is characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUTS  
SELECT  
ENABLE  
G
B
X
L
A
X
L
Y0  
H
L
Y1  
H
H
L
Y2  
H
H
H
L
Y3  
H
H
H
H
L
H
L
L
L
L
L
H
L
H
H
H
H
H
H
H
H
H
Copyright 1994, 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  

SN74ALS139N 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS139NE4 TI

完全替代

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SN74AHC139N TI

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DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SN74145N TI

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Multiplexer