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HD74LVC245A Datasheet

  • HD74LVC245A

  • Octal Bidirectional Transceivers with 3-state Outputs

  • 192.22KB

  • 7頁

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HD74LVC245A
Octal Bidirectional Transceivers with 3-state Outputs
REJ03D0353鈥?400Z
(Previous ADE-205-111B (Z))
Rev.4.00
Jul. 27, 2004
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>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
V
CC
= 2.0 V to 5.5 V
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
All input outputs V
I/O
(Max.) = 5.5 V (@V
CC
= 0 V or output off state)
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25擄C)
Typical V
OH
undershoot > 2.0 V (@V
CC
= 3.3 V, Ta = 25擄C)
High output current 鹵24 mA (@V
CC
= 3.0 V to 5.5 V)
Ordering Information
Package Type
SOP鈥?0 pin (JEITA)
TSSOP鈥?0 pin
Package Code
FP鈥?0DAV
TTP鈥?0DAV
Package
Abbreviation
FP
T
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
ELL (2,000 pcs/reel)
Part Name
HD74LVC245AFPEL
HD74LVC245ATELL
Note: Please consult the sales office for the above package availability.
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
Rev.4.00 Jul. 27, 2004 page 1 of 6

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