FACT SHEET | EM3028-C7
Subject to change without notice
Version 1.0, 22-March-2018
Copyright В© 2018, EM Microelectronic-Marin SA
www.emmicroelectronic.com PRELIMINARY Extreme Low Power
RTC Module
General Description Features The EM3028-C7 is a SMT Real-Time Clock Module that incorporates
an integrated CMOS circuit together with an XTAL. It operates under
vacuum in a hermetically sealed ceramic package with metal lid. I Extreme low power consumption: 40 nA @ 3 V. Applications I Non-volatile configuration settings with user
programmable offset value. I IoT I Wide operating voltage range: 1.2 V to 5.5 V.
I Time accuracy: Factory calibrated to В±1 ppm @ 25В°C I Backup Switch and Trickle Charge. I Metering
I Industrial I Provides year, month, date, weekday, hours, minutes
and seconds. I Health Care I 32 bit UNIX time counter. I Wearables, Portables I Timer, alarm and external event functions.
I Clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz,
32 Hz, 1 Hz. Block Diagram I2C-BUS
INTERFACE FREQUENCY
OFFSET
COMPENSATION
DIVIDER
XTAL
OSCILLATOR CLKOUT INT
EVI 1
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