Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

2011-07-26

2011-07-26

Phung, Anh (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185180

Reexamination Certificate

active

07986561

ABSTRACT:
A semiconductor memory device comprises memory cells which includes a selection transistor and a memory transistor; selection gate lines coupled to a gate of the selection transistor; control gate lines coupled to the control gate of the memory transistor; source lines coupled to a source of the memory transistor; bit lines coupled to the selection transistor; a selection gate line driver circuit; a control gate line driver circuit; and a source line driver circuit, wherein the selection gate line driver circuit comprises a first transistor including a first gate insulation film and drives the selection gate line with a first driving voltage, and the control gate line driver circuit and the source line driver circuit comprise a second transistor including second gate insulation films and drive the control gate line and the source line with a boost voltage higher than the first driving voltage.

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