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MM53144 - Push Button Pulse Dialer Circuits

Download the MM53144 datasheet PDF. This datasheet also covers the MM53143 variant, as both devices belong to the same push button pulse dialer circuits family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (MM53143_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

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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