General Description

The SM802109 is a member of the ClockWorks ™ family of devices from Micrel and provides an extremely low-noise timing solution for PCI-Express clock signals. It is based on a unique patented RotaryWave® architecture that provides very-low phase noise.

Features

• Generates four HCSL clock outputs at 100MHz

• 2.5V or 3.3V operating range

• Typical phase jitter @ 100MHz (1.875MHz to 20MHz): 105fs

• Industrial temperature range (–40°C to +85°C)

• Green, RoHS, and PFOS compliant

• Available in 24-pin 4mm × 4mm QFN package

Applications

• PCI-Express