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DS1345W Datasheet (PDF) - Dallas Semiconductor

DS1345W Datasheet PDF - Dallas Semiconductor
Part # DS1345W
Download  DS1345W Download

File Size   249.84 Kbytes
Page   12 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 3.3V 1024k Nonvolatile SRAM with Battery Monitor

DS1345W Datasheet (PDF)

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DS1345W Datasheet PDF - Dallas Semiconductor

Part # DS1345W
Download  DS1345W Click to download

File Size   249.84 Kbytes
Page   12 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 3.3V 1024k Nonvolatile SRAM with Battery Monitor

DS1345W Datasheet (HTML) - Dallas Semiconductor

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DS1345W Product details

DESCRIPTION
The DS1345W 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. Additionally, the DS1345W has dedicated circuitry for monitoring the status of VCC and the status of the internal lithium battery. DS1345W 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. The devices can be used in place of 128k x 8 SRAM, EEPROM or Flash components.

FEATURES
◾ 10 years minimum data retention in the absence of external power
◾ Data is automatically protected during power loss
◾ Power supply monitor resets processor when VCC power loss occurs and holds processor in reset during VCC ramp-up
◾ Battery monitor checks remaining capacity daily
◾ Read and write access times as fast as 100 ns
◾ Unlimited write cycle endurance
◾ Typical standby current 50 µA
◾ Upgrade for 128k x 8 SRAM, EEPROM or Flash
◾ Lithium battery 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
◾ 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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