M45PE20集成电路（IC）的存储器规格书PDF中文资料

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