http://www.analog.com/en/products/clock-and-timing/clock-generation-distribution/clock-synchronization/ad9544.html

This beast may have some interesting uses: http://www.analog.com/en/products/clock-and-timing/clock-generation-distribution/clock-synchronization/ad9544.html -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.