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HD74HCT244P Datasheet

  • HD74HCT244P

  • Buffer/Driver

  • 7頁

  • ETC

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HD74HCT244
Octal Buffers/Line Drivers/Line Receivers
(noninverted 3-state outputs)
ADE-205-553 (Z)
1st. Edition
Sep. 2000
Description
The HD74HCT244 is a non-inverting buffer and has two active low enable (1G and 2G). Each enable
independently controls 4 buffers.
This device does not have schmitt trigger inputs.
Features
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LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
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High Speed Operation: t
pd
(A to Y) = 10 ns typ (C
L
= 50 pF)
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High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 4.5 to 5.5 V
Low Input Current: 1 碌A max
Low Quiescent Supply Current: I
CC
(static) = 4 碌A max (Ta = 25擄C)
Function Table
Inputs
G
H
L
L
H
L
X
Z
:
:
:
:
A
X
H
L
High level
Low level
Irrelevant
Off (high-impedance) state of a 3-state output
Output
Y
Z
H
L

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