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ELM410 - Triple Debounce Circuit

General Description

The ELM410 provides all of the necessary circuitry to connect as many as three independent mechanical contacts to an electronic circuit.

All mechanical contacts, whether from switches, relays, etc.

will have inherent ‘bounce’ when they make or break a connection.

Key Features

  • Low power CMOS design - typically 1mA at 5V Wide supply range - 3.0 to 5.5 volt operation Simultaneous monitoring of three circuits Full 25msec debounce period on contact closure and opening, without external components.
  • Internal pullup resistors for contact monitoring.
  • High current drive outputs - up to 25 mA.
  • Can be cascaded to provide sequential outputs Connection Diagram PDIP and SOIC (top view) VDD Out1 1 2 3 4 8 7 6 5.

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Datasheet Details

Part number ELM410
Manufacturer ELM
File Size 41.13 KB
Description Triple Debounce Circuit
Datasheet download datasheet ELM410 Datasheet

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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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ELM410 Triple Debounce Circuit Description The ELM410 provides all of the necessary circuitry to connect as many as three independent mechanical contacts to an electronic circuit. All mechanical contacts, whether from switches, relays, etc. will have inherent ‘bounce’ when they make or break a connection. Depending on the type of switch, this fluctuation can be quite pronounced, often being interpreted as multiple inputs by high speed digital circuits. This circuit provides all of the logic required to remove the bounce from most mechanical sources, without the use of additional components. As well, internal pull-up resistors have been provided so that the switch inputs can be directly connected to the 8 pin package.