The DSA63XX from Microchip Technology is a XO with Frequency 1 to 100 MHz, Supply Voltage 1.71 to 3.63 V, Frequency Stability ±20 ppm, ±25 ppm, ±50 ppm, Current 3.0 mA, Duty Cycle 45 to 55 %. Tags: Surface Mount. More details for DSA63XX can be seen below.