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SAA7197 - Clock Generator Circuit for desktop video systems CGC

Description

The SAA7197 generates all clock signals required for a digital TV system suitable for the SAA719x family.

The circuit operates in either the phase-locked loop mode (PLL) or voltage controlled oscillator mode (VCO).

MAX.

Features

  • Suitable for Desktop Video systems.
  • Two different sync sources selectable.
  • PLL frequency multiplier to generate 4 times of input frequency.
  • Dividers to generate clocks LLCA, LLCB, LLC2A and LLC2B (2nd and 4th multiples of input frequency).
  • PLL mode or VCO mode selectable.
  • Reset control and power fail detection QUICK.

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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 SAA7197 Clock Generator Circuit for desktop video systems (CGC) Product specification File under Integrated Circuits, IC22 August 1996 Philips Semiconductors Product specification Clock Generator Circuit for desktop video systems (CGC) FEATURES • Suitable for Desktop Video systems • Two different sync sources selectable • PLL frequency multiplier to generate 4 times of input frequency • Dividers to generate clocks LLCA, LLCB, LLC2A and LLC2B (2nd and 4th multiples of input frequency) • PLL mode or VCO mode selectable • Reset control and power fail detection QUICK REFERENCE DATA SYMBOL VDDA VDDD IDDA IDDD VLFCO fi VI VO Tamb PARAMETER analog supply voltage (pin 5) digital supply voltage (pins 8, 17) analog supply current digital supply current LFCO input vo
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