Sense amplifier circuit having current mirror architecture

Details Sense amplifier circuit having current mirror architecture Sense amplifier circuit having current mirror architecture

2007-10-09

2010-02-16

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S189050, C365S205000, C365S207000, C365S210100, C365S185200, C327S057000

Reexamination Certificate

active

07663928

ABSTRACT:
A sense amplifier circuit for use in a semiconductor memory device has complemented logic states at opposite sides of the latch circuit in the sense amplifier circuit determinate all the time in operation. The sense amplifier circuit takes advantage of a current mirror circuit for ascending or descending a voltage level at the gate of a transistor by charge accumulation or charge dissipation, which turns on or off the transistor so as to control the logic states at opposite sides of the latch circuit in the sense amplifier circuit.

REFERENCES:
patent: 5612613 (1997-03-01), Dutt et al.
patent: 6775189 (2004-08-01), Lin et al.
patent: 7020036 (2006-03-01), Shen et al.
patent: 7573756 (2009-08-01), Seo
patent: 2007/0247885 (2007-10-01), Watanabe et al.

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