C9835 Datasheet (Cypress Semiconductor)

C9835, Low-EMI Clock Generator

3] Pin 1 3 4 49, 50, 52 7, 8, 9 12 REF XIN XOUT CPU(0:2) 3V66(0:2) PCI_F Name PWR VDD VDD VDD 3.3V 14.318 MHz clock output Oscillator buffer input.

Connect to a crystal or to an external clock.

Oscillator buffer output.

Connect to a crystal.

Do not connect when an external clock is applied at XIN.

C9835 Features

* Meets Intel’s Mobile 133.3MHz Chipset Three CPU Clocks (66.6/100/133.3 MHz, 2.5V) Six SDRAM Clocks, 1-DCLK (100/133.3 MHz, 3.3V) Seven PCI Clocks (33MHz, 3.3V), one free running Two IOAPIC clocks, synchronous to CPU clock (33.3 MHz, 2.5V)