The EN29LV641H/L / EN29LV640U is a 64-Megabit (4,194,304x16), electrically erasable, read/write non-volatile flash memory. Any word can be programmed typically in 8s. This device is entirely command set compatible with the JEDEC single-power-supply Flash standard. The EN29LV641H/L / EN29LV640U is designed to allow either single Sector or full Chip erase operation, where each Sector Group can be protected against program/erase operations or temporarily unprotected to erase or program. The device can sustain a minimum of 100K program/erase cycles on each Sector.