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HD74HC540 - Octal Buffers/Line Drivers

General 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.

Key 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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📁 Similar Datasheet

Part Number Description Manufacturer
HD74HC540 Octal Buffers/Line Drivers Renesas
HD74HC541 Octal Buffers/Line Drivers Renesas
HD74HC51 AND-OR-INVERT Gate Renesas
HD74HC533 Octal D-type Transparent Latches Renesas
HD74HC534 Octal D-type Flip-Flops Renesas

Other Datasheets by Hitachi Semiconductor (now Renesas)

Part Number Description
HD74HC541 Octal Buffers/Line Drivers
HD74HC51 AND-OR-INVERT Gate
HD74HC533 Octal D-type Transparent Latches
HD74HC534 Octal D-type Flip-Flop
HD74HC563 Octal Transparent Latches

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.