4兆位，低电压，串行闪存的40MHz SPI总线接口 4 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface

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