SM802141 Description
The SM802141 is a part of Micrel’s ClockWorks family of devices and provides an extremely low-noise timing solution for Ethernet clock signals. The device operates from a 3.3V or 2.5V power supply and synthesizes differential LVPECL output clocks at 62.5MHz, 125MHz, 156.25MHz or 312.5MHz, selectable through logic control pins. The SM802141 accepts a 25MHz crystal or LVCMOS reference clock.
SM802141 Key Features
- Configurable to generate up to four different LVPECL clock frequencies
- 2.5V or 3.3V operating range
- Typical phase jitter @ 125MHz (12kHz to 20MHz): 255 fsrms
- Industrial temperature range (-40C to +85C)
- Green, RoHS, and PFOS pliant
- Available in 24-pin 4mm 4mm QFN package