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TC74HC245AF - Octal Bus Transceiver

This page provides the datasheet information for the TC74HC245AF, a member of the TC74HC245 Octal Bus Transceiver family.

Description

2.

The TC74HC245A, TC74HC640A are high speed CMOS OCTAL BUS TRANSCEIVERs fabricated with silicon gate C2MOS technology.

Features

  • (Note) (1) High speed: tpd = 10 ns (typ. ) at VCC = 5.0 V (2) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25.
  • (3) High noise immunity: VNIH = VNIL = 28 % VCC (min) (4) Output drive capability: 15 LSTTL loads (5) Output current: |IOH|/IOL = 6 mA (min) (VCC = 4.5 V) (6) Balanced propagation delays: tPLH ≈ tPHL (7) Wide operating voltage range: VCC(opr) = 2 V to 6 V (8) Pin and function compatible with 74LS245/640. Note: Do not apply a signal to any bus pins when it is in the output mode.

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Datasheet Details

Part number TC74HC245AF
Manufacturer Toshiba
File Size 340.55 KB
Description Octal Bus Transceiver
Datasheet download datasheet TC74HC245AF Datasheet
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Full PDF Text Transcription

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TC74HC245AP,TC74HC245AF,TC74HC640AP,TC74HC640AF CMOS Digital Integrated Circuits Silicon Monolithic TC74HC245AP,TC74HC245AF,TC74HC640AP, TC74HC640AF 1. Functional Description • Octal Bus Transceiver TC74HC245AP/AF:3-State, Non-Inverting TC74HC640AP/AF:3-State, Inverting 2. General The TC74HC245A, TC74HC640A are high speed CMOS OCTAL BUS TRANSCEIVERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. They are intended for two-way asynchronous communication between data busses. The direction of data transmission is determined by the level of the DIR input. The enable input (G) can be used to disable the device so that the busses are effectively isolated.
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