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LS7509 - TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS

This page provides the datasheet information for the LS7509, a member of the LS7501 TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS family.

Description

The LS7501 - LS7510 are CMOS frequency discriminator circuits designed to respond to a specific frequency TONE signa

Features

  • Circuit activated by Tone with specific Frequency and Time Duration.
  • Frequency and Time Duration values are mask programmable.
  • Small Signal (as low as - 30 DBM) and Digital Level Tone signals accommodated.
  • On-chip active oscillator network and 32,768 Hz Crystal generates timing.
  • Low power consumption.
  • +4.0V to +6V operation (VDD - VSS).

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Datasheet preview – LS7509

Datasheet Details

Part number LS7509
Manufacturer LSI
File Size 34.00 KB
Description TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS
Datasheet download datasheet LS7509 Datasheet
Additional preview pages of the LS7509 datasheet.

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Full PDF Text Transcription

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LSI/CSI LS7501-7510 U ® L LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (516) 271-0400 FAX (516) 271-0405 A3800 TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS FEATURES: • Circuit activated by Tone with specific Frequency and Time Duration. • Frequency and Time Duration values are mask programmable. • Small Signal (as low as - 30 DBM) and Digital Level Tone signals accommodated. • On-chip active oscillator network and 32,768 Hz Crystal generates timing. • Low power consumption. • +4.0V to +6V operation (VDD - VSS). APPLICATIONS: • Remote telephone line testing • Remote meter reading • Security system dialers. Nov.
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