M25PE80 - page-erasable serial flash memory
M25PE80 Features
* SPI bus compatible serial interface
* 8-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)