Features/Benefits:

• Programmable output frequency.

• Programmable output divider ratios.

• Programmable output rise/fall time.

• Programmable output skew.

• Programmable spread percentage for EMI control.

• Watchdog timer technology to reset system

if system malfunctions.

• Programmable watch dog safe frequency.

• Support I2C Index read/write and block read/write

operations.

• For DDR and or PC133 SDRAM system use ICS93718

as the memory buffer.

• Uses external 14.318MHz crystal.

General Description

The ICS950905 is a single chip clock solution for desktop designs using the VIA P4X266 chipset with PC133 or DDR memory.

with PC133 or DDR memory. When used with a fanout buffer such as the ICS93712, ICS93715 or the ICS93718 provides all

the necessary clock signals for such a system.

The ICS950905 is part of a whole new line of ICS clock generators and buffers called TCH™ (Timing Control Hub). This part

incorporates ICS's newest clock technology which offers more robust features and functionality. Employing the use of a

serially programmable I2

C interface, this device can adjust the output clocks by configuring the frequency setting, the output

divider ratios, selecting the ideal spread percentage, the output skew, the output strength, and enabling/disabling each

individual output clock. M/N control can configure output frequency with resolution up to 0.1MHz increment.