SUMMARY DESCRIPTION
The M45PE20 is a 2Mbit (256K x 8 bit) Serial Paged Flash Memory accessed by a high speed SPI-compatible bus.
   
FEATURES SUMMARY
■ 2Mbit of Page-Erasable Flash Memory
■ Page Write (up to 256 Bytes) in 11ms (typical)
■ Page Program (up to 256 Bytes) in 1.2ms
    (typical)
■ Page Erase (256 Bytes) in 10ms (typical)
■ Sector Erase (512 Kbit)
■ 2.7 to 3.6V Single Supply Voltage
■ SPI Bus Compatible Serial Interface
■ 25MHz Clock Rate (maximum)
■ Deep Power-down Mode 1µA (typical)
■ Electronic Signature
    – JEDEC Standard Two-Byte Signature
        (4012h)
■ More than 100,000 Write Cycles
■ More than 20 Year Data Retention