FEATURES
SUMMARY s 2 Mbit of Flash Memory s Figure 1. Packages Page Program (up to 256 Bytes) in 1.5ms (typical) Sector Erase (512 Kbit) in 2 s (typical) Bulk Erase (2 Mbit) in 3 s (typical) 2.7 V to 3.6 V Single Supply Voltage SPI Bus Compatible Serial Interface 25 MHz Clock Rate (maximum) Deep Power-down Mode 1 µA (typical) Electronic Signature (11h) More than 100,000 Erase/Program Cycles per Sector More than 20 Year Data Retention s s s s s s s s 8 1 SO8 (MN) 150 mil width s VFQFPN8 (MP) (MLP8) December 2002 1/34 M25P20 SUMMARY DESCRIPTION
Each page is 256 bytes wide. Thus, the whole memory can be viewed as consisting of 1024 pages, or 262,144 bytes. The whole memory can be erased using the Bulk Erase instruction, or a sector at a time, using the Sector Erase instruction. Figure 2. Logic Diagram VCC Figure 3. SO and VFQFPN Connections M25P20 S Q W VSS 1 2 3 4 8 7 6 5 AI04081B VCC HOLD C D D C S W HOLD M25P20 Q Note: 1. See page 30 (onwards) for package dimensions, and how to identify pin-1.
STMicroelectronics
