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HD74LVC245AT(TSSOP) Datasheet

  • HD74LVC245AT(TSSOP)

  • Octal Bidirectional Transceivers with 3-state Outputs

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  • HITACHI

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HD74LVC245A
Octal Bidirectional Transceivers with 3-state Outputs
ADE-205-111B(Z)
3rd Edition
December 1996
Description
The HD74LVC245A has eight buffers with three state outputs in a 20 pin package. When (T /
R)
is high,
data flows from the A inputs to the B outputs, and when (T /
R)
is low, data flows from the B inputs to the
A outputs. A and B bus are separated by making enable input (OE) high level. 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 input outputs V
I/O
(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
OE
L
L
H
H:
L:
X:
Z:
High level
Low level
Immaterial
High impedance
T/
R
L
H
X
Operation
B data to A bus
A data to B bus
Z

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