The Si500D from Silicon Labs is a XO with Frequency 0.9 to 200 MHz, Supply Voltage 1.8 to 3.3 V, Frequency Stability +/-150 - 250 ppm, Current 17 mA, Jitter Period Jitter: 1 ps(RMS), Phase Jitter: 5 ps(RMS). Tags: Surface Mount. More details for Si500D can be seen below.