W29C040 - 512K X 8 CMOS FLASH MEMORY
The W29C040 is a 4-megabit, 5-volt only CMOS page mode EEPROM organized as 512K × 8 bits.
The device can be written (erased and programmed) in-system with a standard 5V power supply.
A 12-volt VPP is not required.
The unique cell architecture of the W29C040 results in fast write (erase/ program) ope
W29C040 Features
* Single 5-volt write (erase and program) operations Fast page-write operations
* 256 bytes per page
* Page write (erase/program) cycle: 5 mS (typ.)
* Effective byte-write (erase/program) cycle time: 19.5 µS
* Optional software-protected data write
