Atmel AT45DB321D
32Mb, 2.5V or 2.7V
Atmel DataFlash
DATASHEET
Features
● Single 2.5V - 3.6V or 2.7V - 3.6V supply
● Atmel® RapidS™ serial interface: 66MHz maximum clock frequency
● SPI compatible modes 0 and 3
● User configurable page size
● 512 bytes per page
● 528 bytes per page
● Page size can be factory preconfigured for 512 bytes
● Page program operation
● Intelligent programming operation
● 8,192 pages (512/528 bytes/page) main memory
● Flexible erase options
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Page erase (512 bytes)
Block erase (4KB)
Sector erase (64KB)
Chip erase (32Mb)
● Two SRAM data buffers (512/528 bytes)
● Allows receiving data while reprogramming the flash array
● Continuous read capability through entire array
● Ideal for code shadowing applications
● Low power dissipation
● 7mA active read current ,typical
● 25µA standby current, typical
● 15μA deep power down, typical
● Hardware and software data protection features
● Individual sector
● Sector lockdown for secure code and data storage
● Individual sector
● Security: 128-byte security register
● 64-byte user programmable space
● Unique 64-byte device identifier
● JEDEC standard manufacturer and device ID read
● 100,000 program/erase cycles per page, minimum
● Data retention: 20 years
● Industrial temperature range
● Green (Pb/halide-free/RoHS compliant) packaging options
3597Q–DFLASH–6/11
