ICS9248-136 - Frequency Generator & Integrated Buffers for K7 Processor - ICST 数据手册 ( 数据表 )

General Description
The ICS9248-136 is the single chip clock solution for Desktop/Notebook designs using the SIS 630S style chipset. It provides all necessary clock signals for such a system.

FEATUREs:
• Up to 166MHz frequency support
• Support FS0-FS3 trapping status bit for I2C read back.
• Support power management: CPU, PCI, SDRAM stop and Power down Mode from I2C programming.
• Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).
• Uses external 14.318MHz crystal

Output Features:
• 1 - Differential pair open drain CPU clock
• 1 - Single-ended open drain CPU clock
• 13 - SDRAM @ 3.3V
• 6- PCI @3.3V,
• 2 - AGP @ 3.3V
• 1- 48MHz, @3.3V fixed.
• 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz)
• 2- REF @3.3V, 14.318MHz.