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SAA1305T - On/off logic IC

General Description

The SAA1305T is an on/off logic IC, intended for use in car radios to interface between a microcontroller and various input signals such as ignition, low supply detection, on/off key and external control signals.

Key Features

  • 8 accurate Schmitt trigger inputs with clamp circuits.
  • Very low quiescent current.
  • Reset generator circuit.
  • Changed information output.
  • On/off output to control a regulator IC which supplies the microcontroller.
  • 32.768 kHz RC oscillator and/or a 32.768 kHz crystal oscillator.
  • No delayed reset needed (start-up behaviour oscillator fixed by internal logic).
  • Watchdog timer function.
  • Blinking LED oscillator with drive.

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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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INTEGRATED CIRCUITS DATA SHEET SAA1305T On/off logic IC Product specification Supersedes data of 1998 Sep 04 2004 Jan 15 Philips Semiconductors Product specification On/off logic IC FEATURES • 8 accurate Schmitt trigger inputs with clamp circuits • Very low quiescent current • Reset generator circuit • Changed information output • On/off output to control a regulator IC which supplies the microcontroller • 32.768 kHz RC oscillator and/or a 32.768 kHz crystal oscillator • No delayed reset needed (start-up behaviour oscillator fixed by internal logic) • Watchdog timer function • Blinking LED oscillator with drive circuit for LED • Watch function.