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CY2277A - K6 Clock Synthesizer/Driver

Description

The CY2277A is a Clock Synthesizer/Driver for Pentium, Pentium II, 6X86, and K6 portable PCs designed with the Intel® 82430TX or similar chipsets.

Features

  • Mixed 2.5V and 3.3V operation.
  • Complete clock solution to meet requirements of Pentium®, Pentium® II, 6x86, or K6 motherboards.
  • Four CPU clocks at 2.5V or 3.3V.
  • Up to eight 3.3V SDRAM clocks.
  • Seven 3.3V synchronous PCI clocks, one free running.
  • Two 3.3V USB/IO clocks at 48 or 24 MHz, selectable by serial interface.
  • One 2.5V IOAPIC clock at 14.318 MHz.
  • Two 3.3V Ref. clocks at 14.318 MHz.
  • Factory-EPROM programmable C.

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Full PDF Text Transcription

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www.DataSheet4U.com 7A CY2277A Pentium®/II, 6x86, K6 Clock Synthesizer/Driver for Desktop/ Mobile PCs with Intel® 82430TX and 2 DIMMs or 3 SO-DIMMs Features • Mixed 2.5V and 3.3V operation • Complete clock solution to meet requirements of Pentium®, Pentium® II, 6x86, or K6 motherboards — Four CPU clocks at 2.5V or 3.3V — Up to eight 3.3V SDRAM clocks — Seven 3.3V synchronous PCI clocks, one free running — Two 3.3V USB/IO clocks at 48 or 24 MHz, selectable by serial interface — One 2.5V IOAPIC clock at 14.318 MHz — Two 3.3V Ref. clocks at 14.
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