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DS1689

Dallas Semiconductor
Part Number DS1689
Manufacturer Dallas Semiconductor
Description (DS1689 / DS1693) 3-Volt/5-Volt Serialized Real-Time Clock
Published Apr 3, 2008
Detailed Description www.DataSheet4U.com DS1689/DS1693 3-Volt/5-Volt Serialized Real-Time Clock with NV RAM Control www.maxim-ic.com FEATUR...
Datasheet PDF File DS1689 PDF File

DS1689
DS1689

Overview
www.
DataSheet4U.
com DS1689/DS1693 3-Volt/5-Volt Serialized Real-Time Clock with NV RAM Control www.
maxim-ic.
com FEATURES Incorporates industry standard DS1287 PC clock plus enhanced features: § +3- or +5V operation § 64-bit silicon serial number § 64-bit customer specific ROM or additional serial number available § Power control circuitry supports system power-on from date/time alarm or key closure § Automatic battery backup and write protection to external SRAM § Crystal select bit allows RTC to operate with 6 pF or 12.
5 pF crystal § 114 bytes user NV RAM § Auxiliary battery input § RAM clear input § Century register § 32 kHz output for power management § 32-bit VCC powered elapsed time c...


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