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SN74BCT623

更新时间： 2024-11-23 22:53:35
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
5页 81K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74BCT623 数据手册

 浏览型号SN74BCT623的Datasheet PDF文件第2页浏览型号SN74BCT623的Datasheet PDF文件第3页浏览型号SN74BCT623的Datasheet PDF文件第4页浏览型号SN74BCT623的Datasheet PDF文件第5页 
SN54BCT623, SN74BCT623  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS020A – SEPTEMBER 1988 – REVISED NOVEMBER 1993  
SN54BCT623 . . . J OR W PACKAGE  
SN74BCT623 . . . DW OR N PACKAGE  
(TOP VIEW)  
• State-of-the-Art BiCMOS Design  
Significantly Reduces I  
CCZ  
• ESD Protection Exceeds 2000 V  
Per MIL-STD-883C, Method 3015  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
OEAB  
A1  
V
CC  
OEBA  
• Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK) and Flatpacks (W), and  
Plastic and Ceramic 300-mil DIPs (J, N)  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
GND  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
description  
The ′BCT623 bus transceiver is designed for  
asynchronous communication between data  
buses. Thecontrolfunctionimplementationallows  
for maximum flexibility in timing. The ′BCT623  
provides true data at its outputs.  
SN54BCT623 . . . FK PACKAGE  
(TOP VIEW)  
This device allows data transmission from the A  
bus to the B bus or from the B bus to the A bus  
depending upon the logic levels at the  
output-enable (OEAB and OEBA) inputs.  
3
2
1
20 19  
18  
B1  
17 B2  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
The output-enable inputs can be used to disable  
the device so that the buses are effectively  
isolated. The dual-enable configuration gives the  
transceivers the capability of storing data by  
simultaneously enabling OEAB and OEBA. Each  
output reinforces its input in this configuration.  
When both OEAB and OEBA are enabled and all  
other data sources to the two sets of bus lines are  
at high impedance, both sets of bus lines (16 in all)  
will remain at their last states.  
16  
15  
14  
B3  
B4  
B5  
9 10 11 12 13  
The SN54BCT623 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74BCT623 is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OEBA  
OEAB  
L
L
B data to A bus  
B data to A bus,  
A data to B bus  
L
H
H
H
L
Isolation  
H
A data to B bus  
Copyright 1993, 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.  
2–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345

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