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ICS9169C-231


Part Number ICS9169C-231
Manufacturer Integrated Circuit Systems
Title Frequency Generator for Pentium Based Systems
Description The ICS9169C-231 is a low-cost frequency generator designed specifically for Pentium and Pentium-Pro based chip set systems. The integrated buffer...
Features










• Eight selectable CPU clocks operate up to 83.3 MHz Frequency selections include Turbo-mode speed of 68.5 MHz Maximum CPU jitter of ±200ps Six BUS clocks support sync or async bus operation 250ps skew window for CPU outputs, 500ps skew window for BUS outputs CPU clocks to BUS cl...

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ICS9169C-232 : The ICS9169C-232 is a low-cost frequency generator designed specifically for Pentium and Pentium-Pro based chip set systems. The integrated buffer minimizes skew and provides all the clocks required. A 14.318 MHz XTAL oscillator provides the reference clock to generate standard Pentium frequencies. The CPU clock makes gradual frequency transitions without violating the PLL timing of internal microprocessor clock multipliers. A raised frequency setting of 68.5 MHz is available for Turbo-mode of the 66.8 MHz CPU. The ICS9169C-232 contains 8 CPU clocks, 6 PCI clocks, 1 REF at 48MHz and 1 at 24MHz. Either synchronous (CPU/2) or asynchronous (32 MHz) PCI bus operation can be selected by latching .




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