BUY MCP79402-I/SN https://www.utsource.net/itm/p/7264859.html
MCP7940x I2C Real-Time Clock/Calendars
Description: The MCP79402-I/SN is a Real-Time Clock (RTC) and Calendar with an integrated Power-Fail detect circuit and an integrated 32.768 kHz oscillator. Features: Integrated 32.768 kHz oscillator Power-Fail detect circuit Low power operation Battery backup input Programmable alarm Programmable square wave output I2C Interface Operating temperature range: -40°C to +85°C Applications: Automotive Industrial Medical Home Appliances Wearable Devices Smart Meters (For reference only)