Nexflash Technologies, Inc.

Dae Hyun Kim

Kyung Joon Han

Joo Weon Park

Steve K Hsia

Jong Seuk Lee

Gyu-Wan Kwon

Dung Tran

A convergence signal includes a series of voltage pulses used to perform a convergence procedure in one or more flash EEPROM memory cells (transistors). In one instance subsequent voltage pulses in the convergence signal each have a higher voltage than the preceding pulse. In another instance, subsequent voltage pulses in the convergence signal each have a longer duration than the preceding pulse. An integrated circuit includes an array of memory cells and an erase control unit which controls the application of the convergence signal to one or more memory cells. The integrated circuit may be either serial or parallel flash EEPROM in which bulk, sector, or page mode erasing is used.

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Fremont, CA, United States of America

Dae Hyun Kim