概览
描述
The AT45DB021E DataFlash is a member of our system-enhancing class of code and data storage solutions designed with an advanced SRAM buffer architecture that makes it the most efficient memory for data logging. It also incorporates a suite of advanced features that save system power, reduce processor overhead, simplify software development, and provide comprehensive data security and integrity options.
特性
- Includes a controllable R/W SRAM buffer for maximum flexibility
- Standard block architecture with added 256-byte page erase for energy-efficient data logging
- Byte-write provides Serial EEPROM functionality in a Serial NOR Flash device
- Ultra-deep power down operates at >400nA
- Extended Vcc operation allows the system memory to operate over the entire voltage range
- Comprehensive security and unique ID features protect the device from outside tampering
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设计和开发
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