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CD82C85 - CMOS Static Clock Controller/Generator

General Description

The Intersil 82C85 Static CMOS Clock Controller/Generator provides complete control of static CMOS system operating modes and supports full speed, slow, stop-clock and stop-oscillator operation.

Key Features

  • Generates the System Clock For CMOS or NMOS Microprocessors and Peripherals.
  • Complete Control Over System Operation for Very Low System Power - Stop-Oscillator - Low Frequency - Stop-Clock - Full Speed Operation.
  • DC to 25MHz Operation (DC to 8MHz System Clock).
  • Generates 50% and 33% Duty Cycle Clocks (Synchronized).
  • Uses a Parallel Mode Crystal Circuit or External Frequency Source.
  • TTL Compatible Inputs/Outputs.
  • 24 Lead Slimline Dua.

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Full PDF Text Transcription for CD82C85 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for CD82C85. For precise diagrams, and layout, please refer to the original PDF.

82C85 March 1997 CMOS Static Clock Controller/Generator Description The Intersil 82C85 Static CMOS Clock Controller/Generator provides complete control of static CMOS sys...

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lock Controller/Generator provides complete control of static CMOS system operating modes and supports full speed, slow, stop-clock and stop-oscillator operation. While directly compatible with the Intersil 80C86 and 80C88 16-bit Static CMOS Microprocessor Family, the 82C85 can also be used for general system clock control. For static system designs, separate signals are provided on the 82C85 for stop (S0, S1, S2/STOP) and start (START) control of the crystal oscillator and system clocks. A single control line (SLO/FST) determines 82C85 fast (crystal/EFI frequency divided by 3) or slow (crystal/EFI frequency divided by 768

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