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U74LVC2T45 - DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER

General Description

This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails.

The A port is designed to track VCCA.

VCCA accepts any supply voltage from 1.65V to 5.5V.

Key Features

  • S.
  • Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range.
  • VCC Isolation Feature: If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State.
  • ±24mA Output Drive at 3.3V.
  • IOFF Supports Partial-Power-Down Mode Operation CMOS IC SOP-8 www. unisonic. com. tw Copyright © 2022 Unisonic Technologies Co. , Ltd 1 of 15 QW-R126-081.a U74LVC2T45 Preliminary.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD U74LVC2T45 Preliminary DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION  DESCRIPTION This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65V to 5.5V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65V to 5.5V. This allows for universal low Voltage bidirectional translation between any of the 1.8V, 2.5V, 3.3V, and 5V voltage nodes. The U74LVC2T45 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input activate either the B-port outputs or the A-port outputs.