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HD74HC245 - Octal Bus Transceivers (with 3-state outputs)

General Description

Each device has an active low enable input G and a direction control input, DIR.

When DIR is high, data flows from the A inputs to the B outputs.

When DIR is low, data flows from the B inputs to the A outputs.

Key Features

  • High Speed Operation: tpd = 8 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Enable G L L H H : L : X : high level low level irrelevant Direction Control DIR L H X Operation B data to A bus A data to B bus Isolation HD74HC245 Pin Arrangement DIR A1 A2 A3 A4 A5 A6 A7 A8 GND 1 2 3.

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📁 Similar Datasheet

Part Number Description Manufacturer
HD74HC245 Octal Bus Transceivers Renesas
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HD74HC244 Octal Buffers/Line Drivers/Line Receivers Renesas
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Other Datasheets by Hitachi Semiconductor (now Renesas)

Part Number Description
HD74HC240 Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs)
HD74HC241 Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)
HD74HC242 Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)
HD74HC243 Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)
HD74HC244 Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)

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HD74HC245 Octal Bus Transceivers (with 3-state outputs) Description Each device has an active low enable input G and a direction control input, DIR. When DIR is high, data flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs. The HD74HC245 transfers true data from one bus to the other. This device does not have schmitt trigger inputs.