M45PE40

M45PE40 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 25 MHz SPI Bus Interface FEATURES SUMMARY ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 4Mbit 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 (4013h) More than 100000 Write Cycles More than 20 Year Data Retention Figure 1. Packages VDFPN8 (MP) 6x5mm (MLP8) 8 1 SO8W (MW) 208 mils width January 2005 1/36 Free Datasheet http://www.Datasheet-PDF.com/ M45PE40 TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 1. Figure 2. Table 1. Figure 3. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Logic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 VDFPN and SO Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SIGNAL DESCRIP...