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Real Time Clock
EM's
family of low power CMOS Real Time Clocks (RTC) have been designed to
provide an accurate reference of time in electronic products.
Ultra low current consumption in the 1mA-range
allows these circuits to be powered by a small lithium cell for more than 10
years, longer than the useful life of most equipment. This is ideal to be
used in handheld and portable end-products.
The wide operating temperature range of these ICs make them also ideal
for use in automotive and industrial applications.
Finally, these RTCs can be used with a great flexibility since they come
with different features: built-in or external quartz oscillator, user RAM,
integrated battery switchover, 1-bit or bytewide interface and programmable
interrupts.
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Part # |
Description |
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V3020 |
Ultra Low Power 1-Bit 32kHz RTC, 0.4uA standby
current, up to +125°C |
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V3021 |
Ultra Low Power 1-Bit 32kHz RTC, 0.8uA standby
current, up to +125°C |
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V3022 |
Very Low Power 8-Bit 32kHz RTC Module (with
built-in quartz crystal) with Digital Trimming |
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V3023 |
Very Low Power 8-Bit 32kHz RTC Module (with
built-in quartz crystal) with Digital Trimming and User RAM
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V3025 |
Very Low Power 8-Bit 32kHz RTC Module (with
built-in quartz crystal) with Digital Trimming, User RAM and Battery
Switch-over |
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