General Description
The SM802120 is a member of the ClockWorks family of devices from Micrel and provides an extremely low-noise timing solution. It is based upon a unique patented RotaryWave® architecture that provides very low phase noise.
The device operates from a 3.3V or 2.5V power supply and synthesizes eight differential 125MHz output clocks, six LVDS and two HCSL. The SM802120 accepts a 25 MHz crystal input.

FEATUREs
 • Generates six LVDS 125MHz clocks and two HCSL 25MHz clocks
 • 2.5V or 3.3V operating range
 • Typical phase jitter @ 125 MHz (1.875MHz to 20MHz): 100fs
 • Industrial temperature range (–40°C to +85°C)
 • Green, RoHS, and PFOS compliant
 • Available in 44-pin 7mm x 7mm QFN package