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SN74AS638ANSRE4 PDF预览

SN74AS638ANSRE4

更新时间: 2024-11-15 15:52:11
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
15页 688K
描述
AS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20

SN74AS638ANSRE4 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:SOP, SOP20,.3针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.79控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:AS
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:12.6 mm逻辑集成电路类型:BUS TRANSCEIVER
湿度敏感等级:1位数:8
功能数量:1端口数量:2
端子数量:20最高工作温度:70 °C
最低工作温度:输出特性:OPEN-COLLECTOR/3-STATE
输出极性:INVERTED封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:5 V传播延迟(tpd):20 ns
认证状态:Not Qualified座面最大高度:2 mm
子类别:Bus Driver/Transceivers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
翻译:N/A宽度:5.3 mm
Base Number Matches:1

SN74AS638ANSRE4 数据手册

 浏览型号SN74AS638ANSRE4的Datasheet PDF文件第2页浏览型号SN74AS638ANSRE4的Datasheet PDF文件第3页浏览型号SN74AS638ANSRE4的Datasheet PDF文件第4页浏览型号SN74AS638ANSRE4的Datasheet PDF文件第5页浏览型号SN74AS638ANSRE4的Datasheet PDF文件第6页浏览型号SN74AS638ANSRE4的Datasheet PDF文件第7页 
SN74ALS638A, SN74ALS639A, SN74AS638A, SN74AS639  
OCTAL BUS TRANSCEIVERS  
SDAS123A – DECEMBER 1983 – REVISED JANUARY 1995  
DW OR N PACKAGE  
(TOP VIEW)  
Bidirectional Bus Transceivers in  
High-Density 20-Pin Packages  
Choice of True or Inverting Logic  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
A-Bus Outputs Are Open Collector;  
OE  
B1  
B2  
B3  
B4  
B5  
B-Bus Outputs Are 3 State  
Package Options Include Plastic  
Small-Outline (DW) Packages and  
Standard Plastic (N) 300-mil DIPs  
A
B
13 B6  
12 B7  
DEVICE  
LOGIC  
OUTPUT  
OUTPUT  
SN74ALS638A, SN74AS638A Open collector  
3 state  
Inverting  
True  
11  
GND  
B8  
SN74ALS639A, SN74AS639  
Open collector  
3 state  
description  
These octal bus transceivers are designed for asynchronous two-way communication between open-collector  
and 3-state buses. The devices transmit data from the A bus (open-collector) to the B bus (3 state) or from the  
B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input  
can be used to disable the device so the buses are isolated.  
The -1 version of SN74ALS638A is identical to the standard version, except that the recommended maximum  
I
is increased to 48 mA.  
OL  
The SN74ALS638A, SN74ALS639A, SN74AS638A, and SN74AS639 are characterized for operation from 0°C  
to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
SN74ALS638A  
SN74ALS639A  
SN74AS639  
OE  
DIR  
SN74AS638A  
B data to A bus  
A data to B bus  
Isolation  
L
L
L
H
X
B data to A bus  
A data to B bus  
Isolation  
H
Copyright 1995, 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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