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SN74ALS645ADWE4 PDF预览

SN74ALS645ADWE4

更新时间: 2024-11-25 14:31:43
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
20页 871K
描述
ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SO-20

SN74ALS645ADWE4 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,.4针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.31其他特性:WITH DIRECTION CONTROL
控制类型:COMMON CONTROL计数方向:BIDIRECTIONAL
系列:ALSJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS TRANSCEIVER
最大I(ol):0.024 A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:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TUBE
峰值回流温度(摄氏度):260电源:5 V
最大电源电流(ICC):55 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:2.65 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:7.5 mmBase Number Matches:1

SN74ALS645ADWE4 数据手册

 浏览型号SN74ALS645ADWE4的Datasheet PDF文件第2页浏览型号SN74ALS645ADWE4的Datasheet PDF文件第3页浏览型号SN74ALS645ADWE4的Datasheet PDF文件第4页浏览型号SN74ALS645ADWE4的Datasheet PDF文件第5页浏览型号SN74ALS645ADWE4的Datasheet PDF文件第6页浏览型号SN74ALS645ADWE4的Datasheet PDF文件第7页 
SN54ALS645A, SN54AS645, SN74ALS645A, SN74AS645  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SDAS278 – JANUARY 1995  
SN54ALS645A, SN54AS645 . . . J PACKAGE  
SN74ALS645A, SN74AS645 . . . DW OR N PACKAGE  
(TOP VIEW)  
Bidirectional Bus Transceivers in  
High-Density 20-Pin Packages  
True Logic  
3-State Outputs  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
1
2
3
4
5
6
7
8
9
20  
19  
18  
17  
16  
15  
14  
OE  
B1  
B2  
B3  
B4  
B5  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK), and Standard Plastic (N)  
and Ceramic (J) 300-mil DIPs  
description  
13 B6  
12 B7  
11 B8  
These octal bus transceivers are designed for  
asynchronous two-way communication between  
data buses. These devices transmit data from the  
A bus to the B bus or from the B bus to the A bus,  
depending on the level at the direction-control  
(DIR) input. The output-enable (OE) input can be  
used to disable the device so that the buses are  
effectively isolated.  
GND 10  
SN54ALS645A, SN54AS645 . . . FK PACKAGE  
(TOP VIEW)  
The -1 version of the SN74ALS645A is identical  
to the standard version, except that the  
3
2
1
20 19  
18  
B1  
B2  
B3  
B4  
B5  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
17  
16  
15  
14  
recommended maximum I  
is increased to  
OL  
48 mA. There is no -1 version of the  
SN54ALS645A.  
The SN54ALS645A and SN54AS645 are  
characterized for operation over the full military  
temperature range of 55°C to 125°C. The  
9 10 11 12 13  
SN74ALS645A  
and  
SN74AS645  
are  
characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
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  

SN74ALS645ADWE4 替代型号

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