參數(shù)資料
型號: HD74HC643
廠商: Hitachi,Ltd.
英文描述: Octal Bus Transceivers (with 3-state outputs)
中文描述: 八路總線收發(fā)器(3態(tài)輸出)
文件頁數(shù): 2/11頁
文件大小: 69K
代理商: HD74HC643
HD74HC640/HD74HC643
2
Pin Arrangement
HD74HC640
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
V
CC
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
Enable
G
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
GND
(Top View)
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PDF描述
HD74HC646 Octal Bus Transceivers/Registers with Multiplexed 3-state outputs
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HD74HC652 Octal Bus Transceivers/Registers(with inverted 3-state outputs)
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