Overview

The W161, a motherboard clock synthesizer, provides 2.5V CPU clock outputs for advanced CPU and a CPU-divide-by-2 reference frequency for Direct Rambus Clock Generator (such Cypress W134) interface. Fixed output frequencies are provided for other system functions.

Features

• Maximized EMI Suppression using Cypress’s Spread Spectrum Technology

• Three copies of CPU outputs at 100 or 133 MHz

• Three copies of 66-MHz output at 3.3V

• Ten copies of PCI clocks at 33 MHz, 3.3V

• Two copies of 14.318-MHz reference output at 3.3V

• One copy of 48-MHz USB clock

• One copy of CPU-divide-by-2 output as reference input to Direct Rambus™ Clock Generator (Cypress W134)

• Available in 48-pin SSOP (300 mils)