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74LVC245A Datasheet Low-voltage CMOS Octal Transceiver

Manufacturer: onsemi

Overview: 74LVC245A Low-Voltage CMOS Octal Transceiver With 5 V−Tolerant Inputs and Outputs (3−State, Non−Inverting) The 74LVC245A is a high performance, non−inverting octal transceiver operating from a 1.2 to 3.6 V supply. High impedance TTL patible inputs significantly reduce current loading to input drivers while TTL patible outputs offer improved switching noise performance. A VI specification of 5.5 V allows 74LVC245A inputs to be safely driven from 5 V devices if VCC is less than 5.0 V. The 74LVC245A is suitable for memory address driving and all TTL level bus oriented transceiver applications. Current drive capability is 24 mA at both A and B ports. The Transmit/Receive (T/R) input determines the direction of data flow through the bi−directional transceiver. Transmit (active−HIGH) enables data from A ports to B ports; Receive (active−LOW) enables data from B to A ports. The Output Enable input, when HIGH, disables both A and B ports by placing them in a HIGH Z condition.

Key Features

  • Designed for 1.2 to 3.6 V VCC Operation.
  • 5 V Tolerant.
  • Interface Capability with 5 V TTL Logic.
  • Supports Live Insertion and Withdrawal.
  • IOFF Specification Guarantees High Impedance When VCC = 0 V.
  • 24 mA Output Sink and Source Capability.
  • Near Zero Static Supply Current in All Three Logic States (10 mA) Substantially Reduces System Power Requirements.
  • ESD Performance: Human Body Model >2000 V Machine Model >200 V.
  • T.

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