Part Number
|
DS1557 |
Manufacturer
|
Dallas Semiconducotr |
Description
|
4MEG NV Y2KC Timekeeping RAM |
Published
|
Sep 21, 2005 |
Detailed Description
|
19-5501; Rev 9/10
www.maxim-ic.com
DS1557 4Meg, Nonvolatile, Y2K-Compliant
Timekeeping RAM
FEATURES
Integrated NV S...
|
Datasheet
|
DS1557
|
Overview
19-5501; Rev 9/10
www.
maxim-ic.
com
DS1557 4Meg, 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 Leap Year Compensation Valid Up to the Year 2100 Battery Voltage-Level Indicator Flag
Power-Fail W...
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