The SiT2044B from SiTime is a XO with Frequency 1 to 110 MHz, Supply Voltage 1.62 to 3.63 V, Frequency Stability ±20, ±25, ±50 ppm, Current 3.8 to 4.8 mA (Current Consumption), Duty Cycle 45 to 55 %. Tags: Surface Mount. More details for SiT2044B can be seen below.