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ELM415 - Up/Down Interface

General Description

The ELM415 is an 8 pin device that simplifies the connections between a pushbutton type human interface and many counter-based circuits.

Key Features

  • Low power CMOS design.
  • Wide supply range.
  • 3.0 to 5.5 volts.
  • Fully debounced switch inputs.
  • Internal pullup resistors provided.
  • Protection from simultaneous key presses.
  • High current drive outputs.
  • User selectable automatic repeat function.
  • Selectable Count output polarity Connection Diagram PDIP and SOIC (top view).

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Datasheet Details

Part number ELM415
Manufacturer ELM
File Size 27.52 KB
Description Up/Down Interface
Datasheet download datasheet ELM415 Datasheet

Full PDF Text Transcription for ELM415 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ELM415. For precise diagrams, and layout, please refer to the original PDF.

ELM415 Up/Down Interface Description The ELM415 is an 8 pin device that simplifies the connections between a pushbutton type human interface and many counter-based circui...

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etween a pushbutton type human interface and many counter-based circuits. Counter circuits are often employed for such things as temperature control, audio volume control, level settings etc., but some require a direction and a step input, which are not intuitive for human operators. With the ELM415, all you need do is provide two pushbuttons - one to increase the count, and one to decrease it. The IC will provide the pushbutton debouncing, direction translation, and the count (step) output generation, all with little more than having power provided to it.

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