HD74LV2G245A Datasheet PDF - Renesas Technology

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HD74LV2G245A
Renesas Technology

Part Number HD74LV2G245A
Description Dual Bus Transceivers
Page 11 Pages


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HD74LV2G245A
Dual Bus Transceivers with 3–state Outputs
REJ03D0104–0400Z
(Previous ADE-205-354C (Z))
Rev.4.00
Oct.01.2003
Description
The HD74LV2G245A has two buffers with three state output in an 8 pin package. When DIR is high, data
is transferred from the A inputs to the B outputs, and when DIR is low, data is transferred from the B inputs
to the A outputs. The A and B buses are separated by making the enable input (OE) high level. Low
voltage and high-speed operation is suitable for the battery powered products (e.g., notebook computers),
and the low power consumption extends the battery life.
Features
The basic gate function is lined up as Renesas uni logic series.
Supplied on emboss taping for high-speed automatic mounting.
Electrical characteristics equivalent to the HD74LV245A
Supply voltage range : 1.65 to 5.5 V
Operating temperature range : –40 to +85°C
All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
All outputs VO (Max.) = 5.5 V (@VCC = 0 V, Output : Z)
Output current ±6 mA (@VCC = 3.0 V to 3.6 V), ±12 mA (@VCC = 4.5 V to 5.5 V)
All the logical input has hysteresis voltage for the slow transition.
Ordering Information
Part Name
Package Type
Package Code Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74LV2G245AUSE SSOP-8 pin
TTP-8DBV
US
E (3,000 pcs/reel)
Rev.4.00, Oct.01.2003, page 1 of 10



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HD74LV2G245A
Outline and Article Indication
• HD74LV2G245A
Index band
Lot No.
SSOP-8
Function Table
Inputs
OE
L
L
H
H : High level
L : Low level
X : Immaterial
DIR
L
H
X
YMW
L45
Y : Year code
(the last digit of year)
M : Month code
W : Week code
Marking
Operation
B data to A bus
A data to B bus
Isolation
Rev.4.00, Oct.01.2003, page 2 of 10



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HD74LV2G245A
Pin Arrangement
DIR 1
A1 2
A2 3
GND 4
8 VCC
7 OE
6 B1
5 B2
(Top view)
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit Test Conditions
Supply voltage range
Input voltage range *1
Output voltage range *1, 2
VCC
VI
VO
Input clamp current
Output clamp current
Continuous output current
Continuous current through
VCC or GND
Maximum power dissipation
at Ta = 25°C (in still air) *3
IIK
IOK
IO
ICC or IGND
PT
–0.5 to 7.0
–0.5 to 7.0
–0.5 to VCC + 0.5
–0.5 to 7.0
–20
±50
±25
±50
200
V
V
V Output : H or L
VCC : OFF or output : Z
mA VI < 0
mA VO < 0 or VO > VCC
mA VO = 0 to VCC
mA
mW
Storage temperature
Tstg
–65 to 150
°C
Notes:
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.
1. The input and output voltage ratings may be exceeded if the input and output clamp-current
ratings are observed.
2. This value is limited to 5.5 V maximum.
3. The maximum package power dissipation was calculated using a junction temperature of 150°C.
Rev.4.00, Oct.01.2003, page 3 of 10



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HD74LV2G245A
Recommended Operating Conditions
Item
Symbol
Min
Max
Supply voltage range
Input voltage range
Output voltage range
VCC
VI
VO
1.65
0
0
0
5.5
5.5
VCC
5.5
Output current
IOL — 1
—2
—6
— 12
IOH — –1
— –2
— –6
— –12
Input transition rise or fall rate t / v
0
300
0 200
0 100
0 20
Operating free-air temperature Ta
–40 85
Note: Unused or floating inputs must be held high or low.
Unit
V
V
V
mA
ns / V
°C
Conditions
Output : Z
VCC = 1.65 to 1.95 V
VCC = 2.3 to 2.7 V
VCC = 3.0 to 3.6 V
VCC = 4.5 to 5.5 V
VCC = 1.65 to 1.95 V
VCC = 2.3 to 2.7 V
VCC = 3.0 to 3.6 V
VCC = 4.5 to 5.5 V
VCC = 1.65 to 1.95 V
VCC = 2.3 to 2.7 V
VCC = 3.0 to 3.6 V
VCC = 4.5 to 5.5 V
Rev.4.00, Oct.01.2003, page 4 of 10



HD74LV2G245A datasheet pdf
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