SUMMARY DESCRIPTION The M25Pxx is a 512Kbit to 32Mbit (2M x 8) Serial Flash Memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. FEATURES SUMMARY ■ 512Kbit to 32Mbit of Flash Memory ■ Page Program (up to 256 Bytes) in 1.4ms(typical) ■ Sector Erase (256 Kbit or 512Kbit) ■ Bulk Erase (512Kbit to 32Mbit) ■ 2.7 to 3.6V Single Supply Voltage ■ SPI Bus Compatible Serial Interface ■ 40MHz to 50MHz Clock Rate (maximum) ■ Deep Power-down Mode 1µA (typical) ■ Electronic Signatures – JEDEC Standard Two-Byte Signature(20xxh) – RES Instruction, One-Byte, Signature, for backward compatibility ■ More than 100000 Erase/Program Cycles per Sector ■ More than 20 Year Data Retention