Nonvolatile semiconductor memory device having a sense amplifier

Static information storage and retrieval – Floating gate – Particular connection

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3651852, G11C 1604

Patent

active

058054987

ABSTRACT:
A nonvolatile semiconductor memory device has one sense amplifier coupled to multiple bit lines and coupled to multiple memory cell strings to reduce the number of selection transistors per cell string and improve density. The invention is most useful in a NAND-type flash memory device.

REFERENCES:
patent: 5022009 (1991-06-01), Terada et al.
patent: 5446690 (1995-08-01), Tanaka et al.
patent: 5521864 (1996-05-01), Kobayashi et al.
patent: 5559737 (1996-09-01), Tanaka et al.

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