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Part Name
Description
HD74HC648 View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
Manufacturer
HD74HC648
Octal Bus Transceivers/Registers with Multiplexed 3-state outputs
Hitachi -> Renesas Electronics
HD74HC648 Datasheet PDF : 10 Pages
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HD74HC646/HD74HC648
Storage from
A, B, or A and B
Pin Arrangement
Transfer stored data
to A or B
Clock AR 1
Select AB 2
Direciton 3
A
1
4
A
2
5
A
3
6
A
4
7
A
5
8
A
6
9
A
7
10
A
8
11
GND 12
24 V
CC
23 Clock BA
22 Select BA
21 Control
G
20 B
1
19 B
2
18 B
3
17 B
4
16 B
5
15 B
6
14 B
7
13 B
8
(Top view)
3
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