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S35390A

Part Number	S35390A
Manufacturer	Seiko Instruments
Description	2-Wire Real Time Clock
Published	Apr 4, 2006
Detailed Description	Rev.1.2_00 2-WIRE REAL-TIME CLOCK S-35390A The S-35390A is a low-current-consumption 2-wire CMOS real-time clock IC t...
Datasheet	S35390A PDF File

Overview

Rev.
1.
2_00 2-WIRE REAL-TIME CLOCK S-35390A The S-35390A is a low-current-consumption 2-wire CMOS real-time clock IC that features a wide operating voltage range (1.
3 V to 5.
5 V) and can be driven on a variety of supply voltages, from a main supply to a backup supply.
The time keeping current consumption of 0.
25 µA and minimum time keeping operation voltage of 1.
1 V enable greatly increased battery duration.
In a system that operates on a backup battery, the free register incorporated in the real-time clock can be used for the user backup memory function.
The user register can hold data on a supply voltage as low as 1.
2 V (min.
), so the data stored in the register before the main power sup...

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S35390A 2-Wire Real Time Clock - Seiko Instruments

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