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SN74HC245

更新时间： 2024-11-17 23:03:11
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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SN74HC245 数据手册

 浏览型号SN74HC245的Datasheet PDF文件第2页浏览型号SN74HC245的Datasheet PDF文件第3页浏览型号SN74HC245的Datasheet PDF文件第4页浏览型号SN74HC245的Datasheet PDF文件第5页浏览型号SN74HC245的Datasheet PDF文件第6页浏览型号SN74HC245的Datasheet PDF文件第7页 
SN54HC245, SN74HC245  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCLS131B – DECEMBER 1982 – REVISED MAY 1997  
SN54HC245 . . . J OR W PACKAGE  
SN74HC245 . . . DB, DW, N, OR PW PACKAGE  
(TOP VIEW)  
High-Current 3-State Outputs Drive Bus  
Lines Directly or up to 15 LSTTL Loads  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Shrink Small-Outline (PW), 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  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
A2  
A3  
A4  
A5  
description  
A6  
A7  
These octal bus transceivers are designed for  
asynchronous two-way communication between  
data buses. The control-function implementation  
minimizes external timing requirements.  
A8  
GND  
SN54HC245 . . . FK PACKAGE  
(TOP VIEW)  
The devices allow data transmission from the  
A bus to the B bus 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  
that the buses are effectively isolated.  
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  
The SN54HC245 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74HC245 is characterized for  
operation from –40°C to 85°C.  
9 10 11 12 13  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
DIR  
L
L
L
B data to A bus  
A data to B bus  
Isolation  
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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SN74HC245 替代型号

型号 品牌 替代类型 描述 数据表
SN54HC245 TI

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