描述 Description

The M25P40 is a 4 Mbit (512 K × 8) Serial Flash memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. The M25P40 features high performance instructions allowing clock frequency up to 75 MHz.(1)

特性 Features

■ 4 Mbit of Flash memory

■ 2.3 V to 3.6 V single supply voltage

■ SPI bus compatible serial interface

■ 75 MHz clock rate (maximum)

■ Page Program (up to 256 bytes) in 0.8 ms (typical)

■ Sector Erase (512 Kbit) in 0.6 s (typical)

■ Bulk Erase (4 Mbit) in 4.5 s (typical)

■ Deep Power-down mode 1 μA (typical)

■ Hardware Write Protection: protected area size defined by three non-volatile bits (BP0, BP1 and BP2)

■ Electronic signatures

– JEDEC standard two-byte signature(2013h)

– Unique ID code (UID) with 16 bytes read only, available upon customer request

– RES instruction, one-byte, signature (12h), for backward compatibility

■ Packages

– RoHS compliant

■ Automotive grade parts available