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DS1643 Datasheet (PDF) - Maxim Integrated Products

DS1643 Datasheet PDF - Maxim Integrated Products
Part # DS1643
Download  DS1643 Download

File Size   225.41 Kbytes
Page   17 Pages
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Description Nonvolatile Timekeeping RAMs

DS1643 Datasheet (PDF)

Go To PDF Page Download Datasheet
DS1643 Datasheet PDF - Maxim Integrated Products

Part # DS1643
Download  DS1643 Click to download

File Size   225.41 Kbytes
Page   17 Pages
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Description Nonvolatile Timekeeping RAMs

DS1643 Datasheet (HTML) - Maxim Integrated Products

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DS1643 Product details

DESCRIPTION

The DS1643 is an 8K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) that are both accessible in a byte-wide format. The nonvolatile timekeeping RAM is functionally equivalent to any JEDEC standard 8K x 8 SRAM. The device can also be easily substituted in ROM, EPROM and EEPROM sockets providing read/write nonvolatility and the addition of the real time clock function. The real time clock information resides in the eightuppermost RAM locations.



FEATURES

Integrated NV SRAM, Real-Time Clock,  Crystal, Power-Fail Control Circuit and Lithium Energy Source

Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM  Locations.

Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power

Access Times of 85ns and 100ns

BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100

Power-Fail Write Protection Allows for ±10% VCCPower Supply Tolerance

Lithium Energy Source is Electrically

Disconnected to Retain Freshness Until Power is Applied for the First Time

DS1643 Only (DIP Module)

  Standard JEDEC Byte-Wide 8K x 8 RAM Pinout

UL Recognized

DS1643P Only (PowerCap Module Board) Surface Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal Replaceable Battery (PowerCap) Power-Fail Output

Pin-for-Pin Compatible with Other Densities of

DS164XP Timekeeping RAM




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About Maxim Integrated Products


Maxim Integrated Products is a publicly traded company that designs, develops, and sells a wide range of high-performance analog and mixed-signal integrated circuits (ICs).
The company was founded in 1983 and is headquartered in San Jose, California.
Maxim Integrated Products serves customers in a variety of markets, including communications, computing, consumer, industrial, medical, and automotive.
The company offers a comprehensive portfolio of products, including data converters, amplifiers and comparators, power management ICs, microcontrollers, security and protection devices, and sensors, among others.
Maxim Integrated Products is dedicated to innovation and customer satisfaction, and is committed to delivering high-quality, reliable solutions to its customers.
With a focus on energy efficiency and sustainability, Maxim Integrated Products is at the forefront of the semiconductor industry, driving technological advancements in the fields of analog and mixed-signal ICs.

*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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