The XO2520BM-32.768KHz from Dynamic Engineers is a General Crystal Oscillator that operates at a frequency of 32.768 kHz. It provides a CMOS output and has a duty cycle of up to 55%. The device has a supply voltage of 3.3/2.5/1.8 V and consumes up to 18 uA of current. It has an operational temperature range from -40°C to 85°C. The oscillator is available as a surface-mount device that measures 2.5 x 2.0 mm and suitable for RTC modules, smartphones, IoT, wearable devices, watches, and medical devices.