25P40 Datasheet (ST Microelectronics)

25P40, M25P40

The M25P40 is a 4 Mbit (512K x 8) Serial Flash Memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus.

The memory can be programmed 1 to 256 bytes at a time, using the Page Program instruction.

The memory is organized as 8 sectors, each containing 256 pages.

25P40 Features

* SUMMARY s 4 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) (4 Mbit) in 5 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