EM3025 Datasheet | EM Microelectronic

EM MICROELECTRONIC - MARIN SA Very Low Power 8-Bit 32 kHz RTC Module with Digital Trimming, User RAM and Battery Switch-over Description The V3025 is a low power CMOS real time clock with an integrated battery switch-over. The standby current is typically 2.5 µA and the access time is 50 ns. The interface is a multiplexed address and data 8 bits bus. Multiplexing of address and data is handled by the input line A /D. There are no busy flags in the V3025, internal time update cycles are invisible to the user's software. Time data can be read from the V3025 in 12 or 24 hour data formats. An external signal puts the V3025 in standby mode. Even in standby, the V3025 pulls the IRQ pin...