(8192 RAM ERASABLE Datasheet(PDF) - M25PE40

Manufacturer	Part #	Datasheet	Description
Numonyx B.V	M25PE40	1Mb/62P	4 Mbit, page-erasable serial Flash memory with byte alterability, 75 MHz SPI bus, standard pinout
	M45PE10	990Kb/47P	1-Mbit, page-erasable serial flash memory with byte-alterability and 75 MHz SPI bus interface
	M25PE80	1Mb/66P	8-Mbit, page-erasable serial flash memory with byte alterability, 75 MHz SPI bus, standard pinout
	M25PE16	1Mb/58P	16-Mbit, page-erasable serial flash memory with byte-alterability, 75 MHz SPI bus, standard pinout
	M25PE20	1Mb/64P	1 and 2 Mbit, page-erasable serial Flash memories with byte alterability, 75 MHz SPI bus, standard pinout
	M45PE16	856Kb/45P	16 Mbit, low-voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface
	M45PE80	911Kb/47P	8 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface
	M45PE40	886Kb/46P	4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte-alterability and a 50 MHz SPI bus interface

(8192 RAM ERASABLE Datasheet, PDF