MCP7940MT-I/MNY, Real Time Clock I2C RTCC 64B SRAM No VBAT

Real-Time Clocks
Microchip Real-Time Clocks are offered from basic low-cost devices to a variety of mid-range devices. These highly integrated devices have a usable amount of non-volatile memory and a combination of features that are very effective when operating within a single battery backed clock device. With, I2C and SPI RTCCs available, various applications can be supported at a price that is lower with fewer features and lower performance.