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HD74LVCR2245A Datasheet

Octal Bidirectional Transceivers

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HD74LVCR2245A pdf
HD74LVCR2245A
Octal Bidirectional Transceivers with 3–state Outputs
REJ03D0377–0400
(Previous ADE-205-235B (Z))
Rev.4.00
Aug. 20, 2004
Description
The HD74LVCR2245A 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.
All outputs, which are designed to sink up to 12mA, include equivalent 26 resistors to reduce overshoot and
undershoot.
Low voltage and high-speed operation is suitable at battery drive product (note type personal computer) and low power
consumption extends the life of a battery for long time operation.
Features
VCC = 1.65 to 5.5 V
All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
All inputs / outputs VI / O (Max) = 5.5 V (@VCC = 0 V or output off state)
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
High output current ±12mA (@VCC = 3.0 to 5.5 V)
All outputs have equivalent 26 series resistors, so no external resistors are required
Ordering Information
Part Name
Package Type
Package Code
Package
Abbreviation
HD74LVCR2245AFPEL SOP–20 pin (JEITA) FP–20DAV
FP
HD74LVCR2245ATELL TSSOP–20 pin
TTP–20DAV
T
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
ELL (2,000 pcs/reel)
Function Table
Inputs
OE
L
L
H
H: High level
L: Low level
X: Immaterial
Z: High impedance
T/R
L
H
X
Operation
B data to A bus
A data to B bus
Z
Rev.4.00 Aug. 20, 2004 page 1 of 9


Renesas Electronics Components Datasheet

HD74LVCR2245A Datasheet

Octal Bidirectional Transceivers

No Preview Available !

HD74LVCR2245A pdf
HD74LVCR2245A
Pin Arrangement
T/R 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND 10
(Top view)
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
Absolute Maximum Ratings
Item
Symbol Ratings
Unit Conditions
Supply voltage
Input voltage
Output voltage
Input diode current
Output diode current
Output current
VCC, GND current
Storage temperature
VCC
VI
VO
IIK
IOK
IO
ICC or IGND
Tstg
–0.5 to 7.0
–0.5 to 7.0
–0.5 to 7.0
–0.5 to VCC+0.5
–50
–50
±50
±100
–65 to 150
V
V
V Output “Z” or VCC : OFF
Output “H” or “L”
mA VI < 0
mA VO < 0
mA
mA
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore no two of
which may be realized at the same time.
Rev.4.00 Aug. 20, 2004 page 2 of 9


Part Number HD74LVCR2245A
Description Octal Bidirectional Transceivers
Maker Renesas
Total Page 10 Pages
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