Real Time Clock Serial 64Byte 10-Pin TDFN EP T/R
RTC IC: Serial, 8-Pin TDFN, Industrial, 2.5-5.5V
Microchip MCP79520T-I/MN, Real Time Clock, 64B RAM Serial-SPI, 10-Pin TDFN
64-Bit Real-Time Clock IC, 1.8V to 3.6V, Surface Mount, -40°C to 85°C
