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W48C101-01 Datasheet

Part Number W48C101-01
Manufacturers Cypress Semiconductor
Logo Cypress Semiconductor
Description Spread Spectrum BX System Frequency Generator
Datasheet W48C101-01 DatasheetW48C101-01 Datasheet (PDF)

01-01 W48C101-01 Spread Spectrum BX System Frequency Generator Features • Maximized EMI suppression using Cypress’s Spread Spectrum technology • Four copies of CPU output • Eight copies of PCI output (Synchronous w/CPU output) • Two copies of 14.318-MHz IOAPIC output • Two copies of 48-MHz USB output • Three buffered copies of 14.318-MHz reference input • Input is a 14.318-MHz XTAL or reference signal • Selectable 100-MHz or 66-MHz CPU outputs • Power management control input pins • Test mode.

  W48C101-01   W48C101-01






Spread Spectrum BX System Frequency Generator

01-01 W48C101-01 Spread Spectrum BX System Frequency Generator Features • Maximized EMI suppression using Cypress’s Spread Spectrum technology • Four copies of CPU output • Eight copies of PCI output (Synchronous w/CPU output) • Two copies of 14.318-MHz IOAPIC output • Two copies of 48-MHz USB output • Three buffered copies of 14.318-MHz reference input • Input is a 14.318-MHz XTAL or reference signal • Selectable 100-MHz or 66-MHz CPU outputs • Power management control input pins • Test mode and output three-state capability Key Specifications Supply Voltages: .... VDDQ3 = 3.3V±5% VDDQ2 = 2.5V±5% or 3.3V±5% CPU0:3 Jitter (Cycle to Cycle): 200 ps CPU0:3 Clock Skew: .175 ps PCI_F, PCI1:7 Clock Skew: .500 ps CPU to PCI Clock Skew: .... 1.5 to 4.0 ns (CPU Leads) Logic inputs have 250-kΩ pul.


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