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54ABT245 Datasheet Octal Bidirectional Transceiver

Manufacturer: National Semiconductor (now Texas Instruments)

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General Description

The ’ABT245 contains eight non-inverting bidirectional buffers with TRI-STATE outputs and is intended for bus-oriented applications Current sinking capability is 64 mA on both the A and B ports The Transmit Receive (T R) input determines the direction of data flow through the bidirectional transceiver Transmit (active HIGH) enables data from A ports to B ports Receive (active LOW) enables data from B ports to A ports The Output Enable input when HIGH disables both A and B ports by placing them in a High Z condition

Overview

54ABT 74ABT245 Octal Bidirectional Transceiver with TRI-STATE Outputs March 1996 54ABT 74ABT245 Octal Bidirectional Transceiver with TRI-STATE Outputs.

Key Features

  • Y Bidirectional non-inverting buffers Y A and B output sink capability of 64 mA source capa- bility of 32 mA Y Guaranteed output skew Y Guaranteed multiple output switching specifications Y Output switching specified for both 50 pF and 250 pF loads Y Guaranteed simultaneous switching noise level and dy- namic threshold performance Y Guaranteed latchup protection Y High impedance glitch-free bus loading during entire power up and power down cycle Y Non-destructive hot insertion capability Y Disa.

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