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SN54HC645W PDF预览

SN54HC645W

更新时间： 2024-11-05 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 107K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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中文翻译

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SN54HC645W 技术参数

生命周期：Obsolete零件包装代码：DFP
包装说明：DFP,针数：20
Reach Compliance Code：unknown风险等级：5.69
其他特性：WITH DIRECTION CONTROL系列：HC/UH
JESD-30 代码：R-GDFP-F20长度：13.09 mm
负载电容（CL）：150 pF逻辑集成电路类型：BUS TRANSCEIVER
位数：8功能数量：1
端口数量：2端子数量：20
最高工作温度：125 °C最低工作温度：-55 °C
输出特性：3-STATE输出极性：TRUE
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DFP
封装形状：RECTANGULAR封装形式：FLATPACK
传播延迟（tpd）：200 ns认证状态：Not Qualified
座面最大高度：2.54 mm最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：MILITARY端子形式：FLAT
端子节距：1.27 mm端子位置：DUAL
宽度：6.92 mmBase Number Matches：1

SN54HC645W 数据手册

 浏览型号SN54HC645W的Datasheet PDF文件第2页浏览型号SN54HC645W的Datasheet PDF文件第3页浏览型号SN54HC645W的Datasheet PDF文件第4页浏览型号SN54HC645W的Datasheet PDF文件第5页浏览型号SN54HC645W的Datasheet PDF文件第6页浏览型号SN54HC645W的Datasheet PDF文件第7页 
SN54HC645, SN74HC645  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCLS304A – JANUARY 1996 – REVISED MAY 1997  
SN54HC645 . . . J OR W PACKAGE  
SN74HC645 . . . DW OR N PACKAGE  
(TOP VIEW)  
True 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  
SN54HC645 . . . FK PACKAGE  
(TOP VIEW)  
The SN54HC645 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74HC645 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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