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DS1245W Datasheet (PDF) - Dallas Semiconductor

DS1245W Datasheet PDF - Dallas Semiconductor
Part # DS1245W
Download  DS1245W Download

File Size   218.18 Kbytes
Page   11 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 3.3V 1024k Nonvolatile SRAM

DS1245W Datasheet (PDF)

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DS1245W Datasheet PDF - Dallas Semiconductor

Part # DS1245W
Download  DS1245W Click to download

File Size   218.18 Kbytes
Page   11 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 3.3V 1024k Nonvolatile SRAM

DS1245W Datasheet (HTML) - Dallas Semiconductor

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DS1245W Product details

DESCRIPTION

The DS1245W 3.3V 1024k Nonvolatile SRAM is a 1,048,576-bit, fully static, nonvolatile SRAM organized as 131,072 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry which constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption. DIP-package DS1245W devices can be used in place of existing 128k x 8 static RAMs directly conforming to the popular bytewide 32-pin DIP standard. DS1245W devices in the PowerCap Module package are directly surface mountable and are normally paired with a DS9034PC PowerCap to form a complete Nonvolatile SRAM module. There is no limit on the number of write cycles that can be executed and no additional support circuitry is required for microprocessor interfacing.



FEATURES

■ 10 years minimum data retention in the absence of external power

■ Data is automatically protected during power loss

■ Replaces 128k x 8 volatile static RAM, EEPROM or Flash memory

■ Unlimited write cycles

■ Low-power CMOS

■ Read and write access times of 100ns

■ Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time

■ Optional industrial temperature range of

   -40°C to +85°C, designated IND

■ JEDEC standard 32-pin DIP package

■ PowerCap Module (PCM) package

   - Directly surface-mountable module

   - Replaceable snap-on PowerCap provides lithium backup battery

   - Standardized pinout for all nonvolatile SRAM products

   - Detachment feature on PowerCap allows easy removal using a regular screwdriver



 




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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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