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HD74HCT541 Datasheet

  • HD74HCT541

  • Octal Buffers/Line Drivers (with 3-state outputs)

  • 9頁(yè)

  • HITACHI

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HD74HCT540/HD74HCT541
Octal Buffers/Line Drivers (with 3-state outputs)
Description
The HD74HCT540 is an inverting buffer and the HD74HCT541 is a non-inverting buffer. The 3-state
control gate operates as a two-input NOR such that if either G
1
or G
2
are high, all eight outputs are in the
high-impedance state.
Features
鈥?/div>
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
鈥?/div>
High Speed Operation: t
pd
(A to Y) = 12 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
1
L
L
H
X
X :
Z :
G
2
L
L
X
H
A
L
H
X
X
Outputs Y
HD74HCT540
H
L
Z
Z
HD74HCT541
L
H
Z
Z
irrelevant
Off (high-impedance) state of a 3-state output.

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