W199 - Spread Spectrum FTG for VIA Apollo Pro-133

Product Overview

Cypress Semiconductor

Datasheet Details

Part number	W199
Manufacturer	Cypress Semiconductor
File Size	154.43 KB
Description	Spread Spectrum FTG for VIA Apollo Pro-133
Datasheet	W199 Datasheet
Additional preview pages of the W199 datasheet.

Product details

Description

W199 Free-running CPU Clock: Output voltage swing is controlled by the voltage applied to VDDQ2. See Tables 2 and 6 for detailed frequency information.CPU Clock Output 1: This CPU clock output is controlled by the CLK_STOP# control pin.Output voltage swing is controlled by voltage applied to VDDQ2. PCI Clock Outputs 2 through 5: These four PCI clock outputs are controlled by the PCI_STOP# control pin.Output voltage swing is controlled by voltage applied to VDDQ3. Fixed PCI Clock Output: As

Features

Maximized EMI suppression using Cypress’s Spread Spectrum Technology.
Single-chip system frequency synthesizer for VIA Apollo Pro-133.
Two copies of CPU output.
Six copies of PCI output.
One 48-MHz output for USB.
One 24-MHz output for SIO.
Two buffered reference outputs.
One IOAPIC output.
13 SDRAM outputs provide support for 3 DIMMs.
Supports frequencies up to 150 MHz.
I2C™ interface for program.

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Published: Apr 17, 2005 |