BUY DS1553WP-120+ https://www.utsource.net/itm/p/9881766.html
IC RTC CLK/CALENDAR PAR 34-PCM
Description: The DS1553WP-120+ is a dual-channel, low-voltage, low-power, high-accuracy, digital-output temperature sensor from Maxim Integrated. Features: - Operating voltage range: 1.7V to 5.5V - Low power consumption: 0.6μA (typical) - High accuracy: ±1°C (typical) - Digital output: I2C/SMBus - Wide temperature range: -40°C to +125°C Applications: - Automotive - Industrial - Medical - Consumer electronics - Smart home appliances (For reference only)