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SN74AS138DR PDF预览

SN74AS138DR

更新时间: 2024-09-30 23:03:11
品牌 Logo 应用领域
德州仪器 - TI 解码器驱动器解复用器逻辑集成电路光电二极管输入元件
页数 文件大小 规格书
16页 523K
描述
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

SN74AS138DR 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:SOIC
包装说明:GREEN, PLASTIC, MS-012AC, SOIC-16针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.59Is Samacsys:N
其他特性:2 ACTIVE-LOW AND 1 ACTIVE-HIGH ENABLE INPUT, SCHOTTKY-CLAMPED FOR HIGH PERFORMANCE系列:AS
输入调节:STANDARDJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
负载电容(CL):50 pF逻辑集成电路类型:OTHER DECODER/DRIVER
最大I(ol):0.02 A湿度敏感等级:1
功能数量:1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:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:5 V
最大电源电流(ICC):20 mAProp。Delay @ Nom-Sup:10 ns
传播延迟(tpd):10 ns认证状态:Not Qualified
座面最大高度:1.75 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:YES
技术:TTL温度等级:COMMERCIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

SN74AS138DR 数据手册

 浏览型号SN74AS138DR的Datasheet PDF文件第2页浏览型号SN74AS138DR的Datasheet PDF文件第3页浏览型号SN74AS138DR的Datasheet PDF文件第4页浏览型号SN74AS138DR的Datasheet PDF文件第5页浏览型号SN74AS138DR的Datasheet PDF文件第6页浏览型号SN74AS138DR的Datasheet PDF文件第7页 
SN54ALS138A, SN54AS138, SN74ALS138A, SN74AS138  
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS  
SDAS055E – APRIL 1982 – REVISED JULY 1996  
SN54ALS138A, SN54AS138 . . . J PACKAGE  
SN74ALS138A, SN74AS138 . . . D OR N PACKAGE  
Designed Specifically for High-Speed  
Memory Decoders and Data Transmission  
Systems  
(TOP VIEW)  
Incorporate Three Enable Inputs to Simplify  
Cascading and/or Data Reception  
A
B
C
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Y0  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
G2A  
G2B  
G1  
Y7  
GND  
description  
The ALS138A and AS138 are 3-line to 8-line  
decoders/demultiplexers designed for high-  
performance memory-decoding or data-routing  
applications requiring very short propagation  
delay times. In high-performance systems, these  
devices can be used to minimize the effects of  
system decoding. When employed with  
high-speed memories with a fast enable circuit,  
thedelaytimesofthedecoderandtheenabletime  
of the memory are usually less than the typical  
access time of the memory. The effective system  
delayintroducedbytheSchottky-clampedsystem  
decoder is negligible.  
SN54ALS138A, SN54AS138 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18 Y1  
C
G2A  
NC  
4
5
6
7
8
17  
16  
15  
14  
Y2  
NC  
Y3  
Y4  
G2B  
G1  
9 10 11 12 13  
The conditions at the binary-select (A, B, and C)  
inputs and the three enable (G1, G2A, and G2B)  
inputs select one of eight output lines. Two  
active-low and one active-high enable inputs  
NC – No internal connection  
reduce the need for external gates or inverters when expanding. A 24-line decoder can be implemented without  
external inverters and a 32-line decoder requires only one inverter. An enable input can be used as a data input  
for demultiplexing applications.  
The SN54ALS138A and SN54AS138 are characterized for operation over the full military temperature range  
of 55°C to 125°C. The SN74ALS138A and SN74AS138 are characterized for operation from 0°C to 70°C.  
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.  
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  

SN74AS138DR 替代型号

型号 品牌 替代类型 描述 数据表
SN74AS138N TI

完全替代

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SN74AS138D TI

完全替代

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SN74AS138NSR TI

完全替代

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

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SN74AS138NE4 TI

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