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SN74BCT543DW

更新时间： 2024-11-08 22:53:35
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德州仪器 - TI 输出元件
页数 文件大小 规格书
7页 103K
描述
OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74BCT543DW 数据手册

 浏览型号SN74BCT543DW的Datasheet PDF文件第2页浏览型号SN74BCT543DW的Datasheet PDF文件第3页浏览型号SN74BCT543DW的Datasheet PDF文件第4页浏览型号SN74BCT543DW的Datasheet PDF文件第5页浏览型号SN74BCT543DW的Datasheet PDF文件第6页浏览型号SN74BCT543DW的Datasheet PDF文件第7页 
SN54BCT543, SN74BCT543  
OCTAL REGISTERED TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS026C – NOVEMBER 1988 – REVISED APRIL 1994  
SN54BCT543 . . . JT OR W PACKAGE  
SN74BCT543 . . . DW OR NT PACKAGE  
(TOP VIEW)  
• State-of-the-Art BiCMOS Design  
Significantly Reduces I  
CCZ  
• 3-State True Outputs  
• Back-to-Back Registers for Storage  
LEBA  
OEBA  
A1  
1
2
3
4
5
6
7
8
9
10  
24  
V
CC  
23 CEBA  
22 B1  
21 B2  
20 B3  
19 B4  
18 B5  
17 B6  
16 B7  
• ESD Protection Exceeds 2000 V  
Per MIL-STD-883C, Method 3015  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
• Package Options Include Plastic  
Small-Outline Packages (DW), Ceramic  
Chip Carriers (FK) and Flatpacks (W), and  
Plastic and Ceramic 300-mil DIPs (JT, NT)  
description  
15  
B8  
The ′BCT543 octal transceiver contains two sets  
of D-type latches for temporary storage of data  
flowing in either direction. Separate latch-enable  
(LEAB or LEBA) and output-enable (OEAB or  
OEBA) inputs are provided for each register to  
permit independent control in either direction of  
data flow.  
CEAB 11  
GND 12  
14 LEAB  
13 OEAB  
SN54BCT543 . . . FK PACKAGE  
(TOP VIEW)  
The A-to-B enable (CEAB) input must be low in  
order to enter data from A or to output data from  
B. If CEAB is low and LEAB is low, the A-to-B  
latches are transparent; a subsequent low-to-high  
transitionofLEABputstheAlatchesinthestorage  
mode. With CEAB and OEAB both low, the 3-state  
B outputs are active and reflect the data present  
at the output of the A latches. Data flow from B to  
A is similar but requires using the CEBA, LEBA,  
and OEBA inputs.  
4
3
2
1
28 27 26  
25  
5
A2  
A3  
A4  
NC  
A5  
A6  
A7  
B2  
B3  
B4  
6
24  
23  
7
8
22 NC  
21 B5  
20 B6  
19 B7  
9
10  
11  
12 13 14 15 16 17 18  
The SN54BCT543 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74BCT543 is characterized for  
operation from 0°C to 70°C.  
NC – No internal connection  
†
FUNCTION TABLE  
INPUTS  
OUTPUT  
B
CEAB  
LEAB  
OEAB  
A
X
X
X
L
H
X
L
L
L
X
X
H
L
X
H
L
Z
Z
‡
B
0
L
L
L
L
H
H
†
‡
A-to-B data flow is shown; B-to-A flow control is the  
same except that it uses CEBA, LEBA, and OEBA.  
Output level before the indicated steady-state input  
conditions were established.  
Copyright 1994, 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  
1234567

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SN74BCT543DW 替代型号

型号 品牌 替代类型 描述 数据表
SN74BCT543DWE4 TI

完全替代

 OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT543NT TI

完全替代

 OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74BCT543DWE4 TI

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SN74BCT543DWG4 TI

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SN74BCT543DWRG4 TI

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 		OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT543NT-10 TI

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 		BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24
SN74BCT543NTE4 TI

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 		OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT544 TI

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