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DS1556P-70 Datasheet (PDF) - Dallas Semiconductor

DS1556P-70 Datasheet PDF - Dallas Semiconductor
Part # DS1556P-70
Download  DS1556P-70 Download

File Size   514.1 Kbytes
Page   20 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1556P-70 Datasheet (PDF)

Go To PDF Page Download Datasheet
DS1556P-70 Datasheet PDF - Dallas Semiconductor

Part # DS1556P-70
Download  DS1556P-70 Click to download

File Size   514.1 Kbytes
Page   20 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1556P-70 Datasheet (HTML) - Dallas Semiconductor

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DS1556P-70 Product details

DESCRIPTION
The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface as shown in Figure 1. The RTC registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour BCD format. Corrections for day of month and leap year are made automatically.

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 Write Protection Allows for 10% VCC Power-Supply Tolerance
■ Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time
■ Also Available in Industrial Temperature Range: -40°C to +85°C




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About Dallas Semiconductor


Dallas Semiconductor was an American company that was founded in 1984 and was a supplier of mixed-signal and digital semiconductors.
The company was headquartered in Dallas, Texas, and was known for its innovative products and technology in the field of real-time clocks, temperature sensors, and other integrated circuits.
In 2002, Dallas Semiconductor was acquired by Maxim Integrated, a multinational semiconductor company, and became a subsidiary of Maxim.
The Dallas Semiconductor brand is no longer in use, but its products and technology continue to be a part of Maxim's portfolio.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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