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DS1345Y Datasheet (PDF) - Dallas Semiconductor

DS1345Y Datasheet PDF - Dallas Semiconductor
Part # DS1345Y
Download  DS1345Y Download

File Size   211.0 Kbytes
Page   12 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 1024k Nonvolatile SRAM with Battery Monitor

DS1345Y Datasheet (PDF)

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DS1345Y Datasheet PDF - Dallas Semiconductor

Part # DS1345Y
Download  DS1345Y Click to download

File Size   211.0 Kbytes
Page   12 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description 1024k Nonvolatile SRAM with Battery Monitor

DS1345Y Datasheet (HTML) - Dallas Semiconductor

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DS1345Y Product details

DESCRIPTION
The DS1345 1024k Nonvolatile SRAMs are 1,048,576-bit, fully static, nonvolatile SRAMs 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 DS1345 devices have dedicated circuitry for monitoring the status of VCC and the status of the internal lithium battery.

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 70 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
■ Full ±10% VCC operating range (DS1345Y) or optional ±5% VCC operating range (DS1345AB)
■ Optional industrial temperature range of -40°C to +85°C, designated IND
■ New 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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