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SN54ALS157AFK PDF预览

SN54ALS157AFK

更新时间: 2024-11-25 23:06:11
品牌 Logo 应用领域
德州仪器 - TI 解复用器逻辑集成电路
页数 文件大小 规格书
18页 554K
描述
QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS

SN54ALS157AFK 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:QFN包装说明:CERAMIC, CC-20
针数:20Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.36
Is Samacsys:N系列:ALS
JESD-30 代码:S-CQCC-N20长度:8.89 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.004 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:125 °C
最低工作温度:-55 °C输出极性:TRUE
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC20,.35SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):11 mA
Prop。Delay @ Nom-Sup:28 ns传播延迟(tpd):20 ns
认证状态:Not Qualified座面最大高度:2.03 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:TTL
温度等级:MILITARY端子形式:NO LEAD
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:8.89 mm
Base Number Matches:1

SN54ALS157AFK 数据手册

 浏览型号SN54ALS157AFK的Datasheet PDF文件第2页浏览型号SN54ALS157AFK的Datasheet PDF文件第3页浏览型号SN54ALS157AFK的Datasheet PDF文件第4页浏览型号SN54ALS157AFK的Datasheet PDF文件第5页浏览型号SN54ALS157AFK的Datasheet PDF文件第6页浏览型号SN54ALS157AFK的Datasheet PDF文件第7页 
SN54ALS157A, SN54ALS158  
SN74ALS157A, SN74ALS158, SN74AS157, SN74AS158  
QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS  
SDAS081C – APRIL 1982 – REVISED DECEMBER 1994  
SN54ALS157A, SN54ALS158 . . . J PACKAGE  
SN74ALS157A, SN74ALS158,  
SN74AS157, SN74AS158 . . . D OR N PACKAGE  
Buffered Inputs and Outputs  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
(TOP VIEW)  
V
G
A/B  
1A  
1B  
1Y  
2A  
2B  
2Y  
GND  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC  
description  
4A  
4B  
4Y  
3A  
3B  
3Y  
These data selectors/multiplexers contain  
inverters and drivers to supply full data selection  
to the four output gates. A separate strobe (G)  
input is provided. A 4-bit word is selected from one  
of two sources and is routed to the four outputs.  
The ALS157A and SN74AS157 present true  
data. The ALS158 and SN74AS158 present  
inverted data to minimize propagation delay time.  
SN54ALS157A, SN54ALS158 . . . FK PACKAGE  
(TOP VIEW)  
The SN54ALS157A and SN54ALS158 are  
characterized for operation over the full military  
temperature range of 55°C to 125°C. The  
SN74ALS157A, SN74ALS158, SN74AS157, and  
SN74AS158 are characterized for operation from  
0°C to 70°C.  
3
2
1
20 19  
18  
4A  
4B  
NC  
4Y  
3A  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
17  
16  
15  
14  
9 10 11 12 13  
NC – No internal connection  
FUNCTION TABLE  
OUTPUT Y  
ALS157A ALS158  
SN74AS157 SN74AS158  
INPUTS  
DATA  
G
A/B  
A
X
L
B
X
X
X
L
H
L
L
L
L
X
L
L
L
H
H
L
L
H
X
X
H
L
H
H
H
L
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  

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