Semiconductor memory device and method for driving...

Details Semiconductor memory device and method for driving... Semiconductor memory device and method for driving...

2006-05-12

2008-05-20

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S210130

Reexamination Certificate

active

07376031

ABSTRACT:
A semiconductor memory device includes a memory cell including a floating body; a word line connected to a gate of the memory cell; a data bit line connected to the memory cell and transmitting the data stored in the memory cell; a reference bit line transmitting a reference voltage; a data sense node connected to the data bit line and transmitting the data in the memory cell; a reference sense node connected to the reference bit line and transmitting the reference voltage; a plurality of transfer gates connected between the data bit line and the data sense node and between the reference bit line and the reference sense node, respectively; and a current load circuit connected to each of the data sense node and the reference sense node and constituted by a transistor equal in conduction type to the memory cell.

REFERENCES:
patent: 5973983 (1999-10-01), Hidaka
patent: 6469546 (2002-10-01), Matano
patent: 7277341 (2007-10-01), Fujita et al.
patent: 2005/0232043 (2005-10-01), Ohsawa

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