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HD74HC244 Datasheet

  • HD74HC244

  • Octal Buffers/Line Drivers/Line Receivers(with noninverted 3...

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HD74HC244
Octal Buffers/Line Drivers/Line Receivers
(with noninverted 3-state outputs)
Description
The HD74HC244 is a non-inverting buffer and has two active low enables (1G and 2G). Each enable
independently controls 4 buffers.
This device does not have schmitt trigger inputs.
Features
鈥?/div>
High Speed Operation: t
pd
= 11 ns typ (C
L
= 50 pF)
鈥?/div>
High Output Current: Fanout of 15 LSTTL Loads
鈥?/div>
Wide Operating Voltage: V
CC
= 2 to 6 V
鈥?/div>
Low Input Current: 1 碌A(chǔ) max
鈥?/div>
Low Quiescent Supply Current: I
CC
(static) = 4 碌A(chǔ) max (Ta = 25擄C)
Function Table
Inputs
G
H
L
L
A
X
H
L
Output
Y
Z
H
L
Notes H: high level
L: low level
X: irrelevant
Z: off (high-impedance) state of a 3-state output

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