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