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HD74LVCZ244A Datasheet

  • HD74LVCZ244A

  • Octal Buffers / Line Drivers with 3-state Outputs

  • 11頁

  • HITACHI

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HD74LVCZ244A
Octal Buffers / Line Drivers with 3鈥搒tate Outputs
ADE-205-230A (Z)
2nd. Edition
February 1999
Description
The HD74LVCZ244A 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.
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
= 2.7 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 impedance state during power up and power down
鈥?/div>
Power off disables outputs, permitting live insertion
鈥?/div>
High output current
鹵24
mA (@V
CC
= 3.0 to 5.5 V)

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