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HD74LVC2244AT Datasheet

  • HD74LVC2244AT

  • BUFFER/DRIVER|DUAL|4-BIT|LVC-CMOS|TSSOP|20PIN|PLASTIC

  • 69.81KB

  • 14頁

  • ETC

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HD74LVC2244A
Octal Buffers / Line Drivers with 3鈥搒tate 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
鈩?/div>
resistors to reduce overshoot
and undreshoot.
When V
CC
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
鈥?/div>
V
CC
= 1.65 to 5.5 V
鈥?/div>
All inputs V
IH
(Max) = 5.5 V (@V
CC
= 0 to 5.5 V)
鈥?/div>
All outputs V
O
(Max) = 5.5 V (@V
CC
= 0 V or output off state)
鈥?/div>
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
Typical V
OH
undershoot > 2.0 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
High output current
鹵12
mA (@V
CC
= 3.0 to 5.5 V)
鈥?/div>
All outputs have equivalent 26
鈩?/div>
series resistors, so no external resistors are required

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