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SN54HC640 PDF预览

SN54HC640

更新时间： 2024-11-22 23:03:03
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
7页 108K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54HC640 数据手册

 浏览型号SN54HC640的Datasheet PDF文件第2页浏览型号SN54HC640的Datasheet PDF文件第3页浏览型号SN54HC640的Datasheet PDF文件第4页浏览型号SN54HC640的Datasheet PDF文件第5页浏览型号SN54HC640的Datasheet PDF文件第6页浏览型号SN54HC640的Datasheet PDF文件第7页 
SN54HC640, SN74HC640  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCLS303A – JANUARY 1996 – REVISED MAY 1997  
SN54HC640 . . . J OR W PACKAGE  
SN74HC640 . . . DW OR N PACKAGE  
(TOP VIEW)  
Inverting Logic  
High-Current 3-State Outputs Can Drive up  
to 15 LSTTL Loads  
Package Options Include Plastic  
Small-Outline (DW) and Ceramic Flat (W)  
Packages, Ceramic Chip Carriers (FK), and  
Standard Plastic (N) and Ceramic (J)  
300-mil DIPs  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
description  
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 upon the level at the direction-control  
(DIR) input. The output-enable (OE) input can be  
used to disable the device so the buses are  
effectively isolated.  
GND  
SN54HC640 . . . FK PACKAGE  
(TOP VIEW)  
The SN54HC640 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74HC640 is characterized for  
operation from –40°C to 85°C.  
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  
FUNCTION TABLE  
9 10 11 12 13  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
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 1997, 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  
1234567

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SN54HC640 替代型号

型号 品牌 替代类型 描述 数据表
SN74HC640 TI

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