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DS1554

Part Number	DS1554
Manufacturer	Dallas Semiconducotr
Description	256K NV Y2KC Timekeeping RAM
Published	Sep 21, 2005
Detailed Description	19-5497; Rev 9/10 www.maxim-ic.com DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM FEATURES  Integrated NV S...
Datasheet	DS1554 PDF File

Overview

19-5497; Rev 9/10 www.
maxim-ic.
com DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM FEATURES  Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source  Clock Registers are Accessed Identically to the Static RAM; These Registers Reside in the 16 Top RAM Locations  Century Byte Register (i.
e.
, Y2K Compliant)  Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power  Precision Power-On Reset  Programmable Watchdog Timer and RTC Alarm  BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic LeapYear Compensation Valid Up to the Year 2100  Battery Voltage-Level Indicator Flag  Power-Fail Wr...

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