Real time clock/calendars offer ‘superior’ performance in 10pin packages

Designed to reduce overall component count in the system and eliminate the user programming costs for a serial ID, the MCP795XX RTCC family is suitable for the handheld, wireless and consumer markets. The company says that by including 64bytes of SRAM, 2Kbits of EEPROM and a 128bit unique ID, which can be ordered blank or preprogrammed with a MAC address, extra memory devices may not be needed. The wide digital trimming range, which can compensate up to 22seconds per day of crystal frequency drift, is designed to benefit applications which need accurate time over a broad temperature range. The MCP795XX family can also log the time and duration of power failures, without additional circuitry, by using the on chip power fail timestamp feature which Microchip claims is not offered by any other SPI RTCC on the market.