HD74AC244/HD74ACT244
Octal Buffer/Line Driver with 3-State Output
ADE-205-383 (Z)
1st. Edition
Sep. 2000
Description
The HD74AC244/HD74ACT244 is an octal buffer and line driver designed to be employed as a memory
address driver, clock driver and bus-oriented transmitter/receive which provides improved PC board
density.
Features
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3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
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Outputs Source/Sink 24 mA
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HD74ACT244 has TTL-Compatible Inputs
Pin Arrangement
OE1
1
1A
1
2
2Y
4
3
1A
2
4
2Y
3
5
1A
3
6
2Y
2
7
1A
4
8
2Y
1
9
GND 10
(Top view)
20 V
CC
19
OE2
18 1Y
1
17 2A
4
16 1Y
2
15 2A
3
14 1Y
3
13 2A
2
12 1Y
4
11 2A
1
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