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SN54BCT245

更新时间： 2024-02-26 07:49:56
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 105K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54BCT245 数据手册

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SN54BCT245, SN74BCT245  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS013F – SEPTEMBER 1988 – REVISED APRIL 1994  
SN54BCT245 . . . J OR W PACKAGE  
SN74BCT245 . . . DB, 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  
DIR  
A1  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
• 3-State Outputs Drive Bus Lines or Buffer  
OE  
B1  
B2  
B3  
B4  
B5  
Memory Address Registers  
A2  
A3  
A4  
A5  
• Package Options Include Plastic  
Small-Outline (DW) and Shrink  
Small-Outline (DB) Packages, Ceramic Chip  
Carriers (FK) and Flatpacks (W), and  
Standard Plastic and Ceramic 300-mil DIPs  
(J, N)  
A6  
A7  
A8  
13 B6  
12 B7  
11  
GND  
B8  
description  
SN54BCT245 . . . FK PACKAGE  
(TOP VIEW)  
These octal bus transceivers are designed for  
asynchronous communication between data  
buses. The 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.  
3
2
1
20 19  
18  
B1  
17 B2  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
16  
15  
14  
B3  
B4  
B5  
The SN74BCT245 is available in TI’s shrink  
small-outline package (DB), which provides the  
same I/O pin count and functionality of standard  
small-outline packages in less than half the  
printed-circuit-board area.  
9 10 11 12 13  
The SN54BCT245 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74BCT245 is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
DIR  
L
L
L
B data to A bus  
A data to B bus  
Isolation  
H
H
X
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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