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HD74LVC16245A

16-bit Bus Transceivers with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74LVC16245A

16-bit Bus Transceivers with 3-state Outputs

ADE-205-120B(Z)

3rd Edition

December 1996

Description

The HD74LVC16245A has sixteen two direction buffers, for the fittest at two direction bus lines with three

state outputs. A direction control input, DIR. When DIR is high, data flows from the A inputs to the B

outputs. When DIR is high, data flows from the B inputs to the A outputs. When enable inputs (G) is high,

disables both A and B ports by placing then in a high impedance. Low voltage and high speed operation is

suitable at the battery drive product (note type personal computer) and low power consumption extends the

life of a battery for long time operation.

Features

• VCC = 2.0 V to 5.5 V

• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)

• All outputs VOUT (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 ±24 mA (@VCC = 3.0 V to 5.5 V)

Function Table

G

L

L

H

H: High level

L: Low level

X: Immaterial

Z:

High impedance

Inputs

DIR

L

H

X

Operation

B data to A bus

A data to B bus

Z

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