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W216

Cypress Semiconductor
Part Number W216
Manufacturer Cypress Semiconductor
Description Spread Spectrum FTG for 440BX and VIA Apollo Pro-133
Published Apr 17, 2005
Detailed Description PRELIMINARY W216 Spread Spectrum FTG for 440BX and VIA Apollo Pro-133 Features • Maximized EMI Suppression using Cypre...
Datasheet PDF File W216 PDF File

W216
W216

Overview
PRELIMINARY W216 Spread Spectrum FTG for 440BX and VIA Apollo Pro-133 Features • Maximized EMI Suppression using Cypress’s Spread Spectrum Technology • Single chip system FTG for Intel® 440BX AGPset and VIA Apollo Pro-133 • Three copies of CPU output • Seven copies of PCI output • One 48-MHz output for USB / One 24-MHz for SIO • Two buffered reference outputs • Two IOAPIC outputs • Seventeen SDRAM outputs provide support for 4 DIMMs • Supports frequencies up to 150 MHz • I2C™ interface for programming • Power management control inputs Table 1.
Mode Input Table Mode 0 1 Pin 3 PCI_STOP# REF0 Key Specifications CPU Cycle-to-Cycle Jitter: .
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250 ps CPU to CPU Output Skew: .
175 ps PCI to PCI Output Skew: .
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.
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500 ps SDRAMIN to SDRAM0:15 Delay: .
3.
7 ns typ.
VDDQ3: .
.
.
3.
3V±5% VDDQ2...


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