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HD74HC540 - Octal Buffers/Line Drivers

Description

The HD74HC540 is an inverting buffer and the HD74HC541 is a non-inverting buffer.

The 3-state control gate operates as a two-input NOR such that if either G 1 or G 2 are high, all eight outputs are in the highimpedance state.

Features

  • High Speed Operation: tpd = 11.5 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 Inputs G1 L L H X X : Z : G2 L L X H A L H X X Output Y HD74HC540 H L Z Z HD74HD541 L H Z Z irrelevant off (high-impedance) state of a 3-state output. HD74HC540/HD74HC541 Pin Arrangement HD74HC540 G1.

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Datasheet Details

Part number HD74HC540
Manufacturer Hitachi Semiconductor
File Size 51.48 KB
Description Octal Buffers/Line Drivers
Datasheet download datasheet HD74HC540 Datasheet
Additional preview pages of the HD74HC540 datasheet.

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Full PDF Text Transcription

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HD74HC540/HD74HC541 Octal Buffers/Line Drivers (with 3-state outputs) Description The HD74HC540 is an inverting buffer and the HD74HC541 is a non-inverting buffer. The 3-state control gate operates as a two-input NOR such that if either G 1 or G 2 are high, all eight outputs are in the highimpedance state. Features • • • • • High Speed Operation: tpd = 11.5 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 Inputs G1 L L H X X : Z : G2 L L X H A L H X X Output Y HD74HC540 H L Z Z HD74HD541 L H Z Z irrelevant off (high-impedance) state of a 3-state output.
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