The MCP795W10 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a time stamp to log power failures and three types of memory, which includes SRAM, EEPROM and a blank unique ID in a locked section of EEPROM that can also be ordered with a 48-bit or 64-bit MAC Address.
VCC Min = 1.8V Icc < 1 μA Typical Standby Current VBAT Min = 1.3V Ibat < 700nA Typical Timekeeping & SRAM Retention Current VCC to VBAT (VCC Lost) VBAT to VCC (VCC Restored) Low Power Operation VCC Min = 1.8V Icc < 1 μA Typical Standby Current Low Backup Power VBAT Min = 1.3V Ibat < 700nA Typical Timekeeping & SRAM Retention Current Automatic Battery Switchover with Timestamp VCC to VBAT (VCC Lost) VBAT to VCC (VCC Restored)
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