STMicroelectronics M41T93RMY6F, Real Time Clock (RTC), 32B RAM Serial-4 Wire, Serial-I2C, 18-Pin SOX
67 x 2.STMicroelectronics M41T93RMY6F, Real Time Clock (RTC), 32B RAM Serial-4 Wire, Serial-I2C, 18-Pin SOX, Date Format: DW:DM:M:Y, Time Format: HH:MM:SS:hh, Mounting Type: Surface Mount, Dimensions: 11.5 V, Maximum Operating Temperature: +85 °C, Minimum Operating Supply Voltage: 2 V.66 x 7.