[adesto™]

Description
The AT45DB321D is a 2.5V or 2.7V, serial interface, sequential access flash memory ideally suited for a wide variety of digital voice-, image-, program code-, and data-storage applications. The AT45DB321D supports the RapidS serial interface for applications requiring very high speed operations. The RapidS serial interface is SPI compatible for frequencies up to 66MHz.

Features
● Single 2.5V - 3.6V or 2.7V - 3.6V supply
● 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
    ● 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