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HD74HCT240T Datasheet

  • HD74HCT240T

  • BUFFER/DRIVER|DUAL|4-BIT|HCT-CMOS|TSSOP|20PIN|PLASTIC

  • 9頁

  • ETC

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HD74HCT240
Octal Buffers/Line Drivers/Line Receivers
(with inverted 3-state outputs)
Description
The HD74HCT240 is an 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>
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
鈥?/div>
High Speed Operation: t
pd
(A to Y) = 11 ns typ (C
L
= 50 pF)
鈥?/div>
High Output Current: Fanout of 15 LSTTL Loads
鈥?/div>
Wide Operating Voltage: V
CC
= 4.5 to 5.5 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
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
L
H

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