Abracon's E8WSDC12-32.768KTR crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and communication systems.
DS18B20U by Maxim Integrated is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.