零件编号
ICS9248-127
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Integrated Circuit Systems
General Description
The ICS9248-127 is the single chip clock solution for Desktop designs using the VIA MVP4 and Aladdin 7 style chipset. It provides all necessary clock signals for such a system.
FEATUREs
• Up to 124MHz frequency support.
• Spread Spectrum for EMI control 0 to -0.5% down spread and ±0.25% center spread
• Serial I2C interface for Power Management, Frequency Select, Spread Spectrum.
• Provides the following system clocks
- 4-CPUs @ 3.3V, up to 124MHz.
- 13-SDRAMs @3.3V, up to 124MHz (including SDRAM_F)
- 6-PCI (including 1 free running, PCICLK_F) @3.3V, CPU/2 or CPU/3.
- 1-24MHz @3.3V fixed.
- 1-48MHz @3.3V fixed.
- 2-REF @3.3V, 14.318MHz.
• Efficient Power management scheme through PCI and STOP CLOCKS.