Semiconductor integrated circuit device with a plurality of...

Details Semiconductor integrated circuit device with a plurality of... Semiconductor integrated circuit device with a plurality of...

2006-11-29

2008-11-04

Ho, Hoai V (Department: 2827)

Static information storage and retrieval

Systems using particular element

Resistive

C365S158000, C365S189090, C365S211000, C365S213000

Reexamination Certificate

active

07447057

ABSTRACT:
A semiconductor integrated circuit device includes a plurality of memory cells storing data; a write current line arranged near the memory cells or electrically connected to the memory cells; a first constant current generating circuit providing an output current having a temperature dependence; a second constant current generating circuit providing an output current having a temperature dependence different from that of the output current of the first constant current generating circuit; a mixing circuit mixing the output currents of the constant current generating circuits together to provide a composite current at a variable mixing rate; and a write current electrically connected to the write current line and writing data into the memory cell by passing a write circuit through the write current line based on the composite current provided by the mixing circuit.

REFERENCES:
patent: 6813210 (2004-11-01), Okamoto et al.
patent: 6850430 (2005-02-01), Perner
patent: 7158406 (2007-01-01), Iwata
patent: 7-211869 (1995-08-01), None
patent: 2003-257175 (2003-09-01), None
patent: 2004-185752 (2004-07-01), None
patent: 2004-288311 (2004-10-01), None

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