HD74LVC125A
Quad. Bus Buffer Gates with 3-state Outputs
ADE-205-108B(Z)
3rd Edition
December 1996
Description
The HD74LVC125A has four bus buffer gates in a 14 pin package. The device require the three state
control input C to be taken high to put the output into the high impedance condition, whereas the device
requires the control input to be low to put the output into high impedance. Low voltage and high speed
operation is suitable at the battery drive product (note type personal computer) and low power consumption
extends the life of a battery for long time operation.
Features
鈥?/div>
V
CC
= 2.0 V to 5.5 V
鈥?/div>
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
鈥?/div>
All outputs V
OUT
(Max.) = 5.5 V (@V
CC
= 0 V or output off state)
鈥?/div>
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
Typical V
OH
undershoot > 2.0 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
High output current 鹵24 mA (@V
CC
= 3.0 V to 5.5 V)
Function Table
Inputs
C
H
L
L
H:
L:
X:
Z:
High level
Low level
Immaterial
High impedance
A
X
L
H
Outputs Y
Z
L
H
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