ICS9248-99 is a clock generator chip produced by Integrated Circuit Systems, Inc. It supports 2-48MHz, 2.5V, 3.3V multiple voltage and frequency outputs, and the highest supports 200.4MHz frequency.
The ICS9248-99 is a single-chip frequency generator designed as a clock solution for desktop systems using the 810/810E style chipset. It provides all necessary clock signals, including CPUCLK, SDRAM clocks, and PCI clocks, supporting frequencies up to 200MHz.
| Frequency Support | Up to 200MHz |
|---|---|
| Package Type | 48-Pin SSOP |
| CPU Clock Frequency | Up to 200MHz |
| SDRAM Clock Frequency | Up to 200MHz |
| PCI Clock Frequency | Up to 200MHz |
| CPU-CPU Skew | <175ps |
| SDRAM-SDRAM Skew | <250ps |
| PCI-PIC Skew | <500ps |
Yes, it supports spread spectrum for EMI control with a center spread of +0.25%.
The supported data transfer rate is 100K bits/sec or less in standard mode.