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74LVC245A - Octal bus transceiver

Description

The 74LVC245A; 74LVCH245A are 8-bit transceivers featuring non-inverting 3-state bus compatible outputs in both send and receive directions.

Features

  • 5 V tolerant inputs/outputs for interfacing with 5 V logic.
  • Wide supply voltage range from 1.2 V to 3.6 V.
  • CMOS low-power consumption.
  • Direct interface with TTL levels.
  • Inputs accept voltages up to.

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Full PDF Text Transcription

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74LVC245A; 74LVCH245A Octal bus transceiver; 3-state Rev. 8 — 28 June 2013 Product data sheet 1. General description The 74LVC245A; 74LVCH245A are 8-bit transceivers featuring non-inverting 3-state bus compatible outputs in both send and receive directions. The device features an output enable (OE) input for easy cascading and a send/receive (DIR) input for direction control. OE controls the outputs so that the buses are effectively isolated. Inputs can be driven from either 3.3 V or 5 V devices. When disabled, up to 5.5 V can be applied to the outputs. These features allow the use of these devices in mixed 3.3 V and 5 V applications. The 74LVCH245A bus hold on data inputs eliminates the need for external pull-up resistors to hold unused inputs. 2.
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