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Hitachi Power Semiconductor Device Electronic Components Datasheet

HD74LVC2244A Datasheet

Octal Buffers / Line Drivers

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HD74LVC2244A pdf
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HD74LVC2244A
Octal Buffers / Line Drivers with 3–state Outputs
ADE-205-234 (Z)
Preliminary
1st. Edition
December 1998
Description
The HD74LVC2244A has eight line drivers with three state outputs in a 20 pin package. This device is a
noninverting buffer and has two active low enables (1G and 2G). Each enable independently controls four
buffers.
All outputs, which are designed to sink up to 12 mA, include equivalent 26 resistors to reduce overshoot
and undreshoot.
When VCC is between 0 and 1.5 V, the device is in the high impedance state during power up or power
down.
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 outputs VO (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 ±12 mA (@VCC = 3.0 to 5.5 V)
All outputs have equivalent 26 series resistors, so no external resistors are required


Hitachi Power Semiconductor Device Electronic Components Datasheet

HD74LVC2244A Datasheet

Octal Buffers / Line Drivers

No Preview Available !

HD74LVC2244A pdf
HD74LVC2244A
Function Table
Inputs
G
H
L
L
H : High level
L : Low level
X : Immaterial
Z : High impedance
A
X
H
L
Pin Arrangement
Output Y
Z
H
L
1G 1
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
GND 10
(Top view)
20 VCC
19 2G
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
2


Part Number HD74LVC2244A
Description Octal Buffers / Line Drivers
Maker Hitachi Semiconductor
Total Page 14 Pages
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