Current-mode sense amplifying method

Details Current-mode sense amplifying method Current-mode sense amplifying method

2010-04-26

2011-10-18

Nguyen, Dang (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S210130, C365S207000

Reexamination Certificate

active

08040734

ABSTRACT:
A sense amplifying method, applied in a memory having a memory cell and a reference cell, includes: charging the memory cell and the reference cell to have a cell current and a reference current, respectively; duplicating the cell current and the reference current to respectively generate a mirrored cell current via a first current path and a mirrored reference current via a second current path and equalizing a first voltage drop generated as the mirrored cell current flows by the first current path and a second voltage drop generated as the mirrored reference current flows by the second current path; and removing the equalization of the first voltage drop and the second voltage drop and adjusting first voltage drop and the second voltage drop according to a first current flowing by the first current path and a second current flowing by the second current path.

REFERENCES:
patent: 5508660 (1996-04-01), Gersbach et al.
patent: 6563737 (2003-05-01), Khouri et al.
patent: 7522463 (2009-04-01), Pelli et al.
patent: 2002/0101775 (2002-08-01), Nojiri et al.

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