Nonvolatile semiconductor memory device

Details Nonvolatile semiconductor memory device Nonvolatile semiconductor memory device

1999-06-14

2000-08-22

Nguyen, Tan T.

Static information storage and retrieval

Read/write circuit

Differential sensing

36518511, 3651852, 36518521, G11C 700

Patent

active

061082597

ABSTRACT:
A semiconductor memory device includes a plurality of memory cell blocks having a plurality of memory cells, a plurality of sense amplifiers coupled to the memory cell blocks, and a reference block for generating a reference value and for providing the reference value to the sense amplifiers. Each memory cell block is coupled to at least one of the sense amplifiers. The reference block includes a reference cell for holding a predetermined reference value and a current circuit responsive to a state of the reference cell.

REFERENCES:
patent: 5088064 (1992-02-01), Tsukude
patent: 5754475 (1998-05-01), Bill et al.
patent: 5943286 (1999-08-01), Oritz
patent: 5982666 (1999-11-01), Campardo

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