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HD74LVCZ244A fiches techniques PDF

Hitachi Semiconductor - Octal Buffers / Line Drivers with 3-state Outputs

Numéro de référence HD74LVCZ244A
Description Octal Buffers / Line Drivers with 3-state Outputs
Fabricant Hitachi Semiconductor 
Logo Hitachi Semiconductor 





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HD74LVCZ244A fiche technique
HD74LVCZ244A
Octal Buffers / Line Drivers with 3–state 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 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 = 2.7 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 impedance state during power up and power down
Power off disables outputs, permitting live insertion
High output current ±24 mA (@VCC = 3.0 to 5.5 V)

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