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TC74HC245AF Datasheet Octal Bus Transceiver

Manufacturer: Toshiba

Overview: TC74HC245AP,TC74HC245AF,TC74HC640AP,TC74HC640AF CMOS Digital Integrated Circuits Silicon Monolithic TC74HC245AP,TC74HC245AF,TC74HC640AP, TC74HC640AF 1.

Download the TC74HC245AF datasheet PDF. This datasheet also includes the TC74HC245 variant, as both parts are published together in a single manufacturer document.

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General 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.

Key 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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