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HD74LV245A PDF даташит

Спецификация HD74LV245A изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Octal Bus Transceivers with 3-state Outputs».

Детали детали

Номер произв HD74LV245A
Описание Octal Bus Transceivers with 3-state Outputs
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74LV245A Даташит, Описание, Даташиты
HD74LV245A
Octal Bus Transceivers with 3-state Outputs
ADE-205-247 (Z)
1st Edition
March 1999
Description
The HD74LV245A has eight buffers with three-state outputs in a 20-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 operation is suitable for battery-powered products (e.g., notebook computers), and the low power
consumption extends the battery life.
Features
VCC = 2.0 V to 5.5 V operation
All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
All outputs VO (Max.) = 5.5 V (@VCC = 0 V)
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C)
Output current ±8 mA (@VCC = 3.0 V to 3.6 V), ±16 mA (@VCC = 4.5 V to 5.5 V)
Function Table
Inputs
OE
L
L
H
Note: H: High level
L: Low level
X: Immaterial
DIR
L
H
X
Operation
B data to A bus
A data to B bus
Isolation









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HD74LV245A Даташит, Описание, Даташиты
HD74LV245A
Pin Arrangement
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
(Top view)
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
2









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HD74LV245A Даташит, Описание, Даташиты
HD74LV245A
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit 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
I IK
I OK
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
±35
±70
V
V
V
mA
mA
mA
mA
835 mW
Output: H or L
VCC: OFF or Output: Z
VI < 0
VO < 0 or VO > VCC
VO = 0 to VCC
SOP
757 TSSOP
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 even if the input and output clamp-current
ratings are observed.
2. This value is limited to 5.5 V maximum.
3. The data above are measured by VBE method mounting on glass epoxy board (40 × 40 × 1.6
mm) with 10% of wiring density.
3










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Номер в каталогеОписаниеПроизводители
HD74LV245AOctal Bus Transceivers with 3-state OutputsHitachi Semiconductor
Hitachi Semiconductor

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