M25PE40

www.DataSheet4U.com M25PE40 4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability, 50 MHz SPI bus, standard pinout Features ■ ■ ■ SPI bus compatible serial interface 4 Mbit Page-Erasable Flash memory Page size: 256 bytes – Page Write in 11 ms (typical) – Page Program in 0.8 ms (typical) – Page Erase in 10 ms (typical) SubSector Erase (4 Kbytes) Sector Erase (64 Kbytes) Bulk Erase (4 Mbits) 2.7 V to 3.6 V single supply voltage 50 MHz clock rate (maximum) Deep Power-down mode 1 µA (typical) Electronic Signature – JEDEC standard two-byte signature (8013h) Software Write Protection on a 64 Kbyte sector basis Hardware Write Protection of the memory area selected using the BP0, BP1 and BP2 bits More than 100 000 Write cycles More than 20 year data retention Packages – ECOPACK® (RoHS compliant) SO8N (MN) 150 mils width SO8W (MW) 208 mils width VFQFPN8 (MP) 6 × 5 mm (MLP8) ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ January 2007 Rev 7 1/59 www.st.com 1 Contents M25PE40 Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Important note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Serial Data Output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Serial Data I...