The XO2520BM-ULP-32.768KHz-222 from Dynamic Engineers is a XO with Frequency 32.768 kHz, Supply Voltage 1.8 V, Frequency Stability ±50 ppm, Current 1.4 to 1.8 uA, Duty Cycle 45 to 55 %. Tags: Surface Mount. More details for XO2520BM-ULP-32.768KHz-222 can be seen below.