Product Summary
The DS1245AB-100+ is a 1024k Nonvolatile SRAM. It is organized as 131,072 words by 8 bits. Each complete NV SRAM has a self-contained lithium energy source and control circuitry which constantly monitors VCC for an out-of-tolerance condition. The DS1245AB-100+ can be used in place of existing 128k × 8 static RAMs directly conforming to the popular bytewide 32-pin DIP standard. The DS1245AB-100+ 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.
Parametrics
DS1245AB-100+ absolute maximum ratings: (1)Voltage on Any Pin Relative to Ground: -0.3V to +7.0V; (2)Operating Temperature: 0℃ to 70℃, -40℃ to +85℃ for Ind parts; (3)Storage Temperature: -40℃ to +70℃, -40℃ to +85℃ for Ind parts; (4)Soldering Temperature: 260℃ for 10 seconds.
Features
DS1245AB-100+ features: (1)10 years minimum data retention in the absence of external power; (2)Data is automatically protected during power loss; (3)Replaces 128k × 8 volatile static RAM, EEPROM or Flash memory; (4)Unlimited write cycles; (5)Low-power CMOS; (6)Read and write access times as fast as 70 ns; (7)Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time; (8)Optional ±5% VCC operating range(DS1245AB); (9)Optional industrial temperature range of -40℃ to +85℃, designated IND; (10)JEDEC standard 32-pin DIP package.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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DS1245AB-100+ |
Maxim Integrated Products |
NVRAM 1024K SRAM Nonvolatile |
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