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74HC245 Datasheet(PDF) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

Part No. 74HC245
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]
Direct Link  http://www.superchip.cn
Logo FUMAN - SHENZHEN FUMAN ELECTRONICS CO., LTD.

74HC245 Datasheet(HTML) 1 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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深圳市富满电子有限公司
SHENZHEN FUMAN ELECTRONICS CO., LTD.
74HC245(文件编号:S&CIC0524)
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
第 1 页 共 6 页
0High-current 3-stage 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
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
B
Date:
21-Nov-2006
Sheet
of
File:
E:\规格书\规格图\规格图-0\ZBO\74HC245.ddbDrawn By :
74HC245...D,DB,N,OR PW PACKAGE
(TOP VIEW)
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
/OE
B1
B2
B3
B4
B5
B6
B7
B8
1
2
3
4
5
6
7
8
9
10
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DESCRIPTION
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The
control-function implementation minimizes external timing requirements.
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.
The 74HC245 is characterized for operation from –40℃ to 85℃.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
Y
/OE
DIR
L
L
L
H
H
X
B data to A bus
A data to B bus
Isolation


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