ATMEL AT49BV040B handbook

AT49BV040B is a 2.7V to 5.5V in-system reprogrammable Flash Memory from Atmel. It has 4Mb of memory and is organized as 524,288 words by 8 bits. The read access time is 70 ns (VCC = 2.7V to 3.6V) and 55 ns (VCC = 4.5V to 5.5V). The power dissipation is 72 mW (VCC = 2.7V to 3.6V) and 110 mW (VCC = 4.5V to 5.5V).