Semiconductor memory unit

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

Reexamination Certificate

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C365S051000, C365S233100

Reexamination Certificate

active

07032066

ABSTRACT:
In a semiconductor memory unit to which a plurality of different functions can be imparted by merely changing a portion of its production process, the improvement comprises: a plurality of data buses which include first data buses for use only in one of the functions and the remaining data buses for use in the one and the remainder of the functions; wherein when the semiconductor memory unit performs the remainder of the functions, the first data buses are utilized for the semiconductor memory unit.

REFERENCES:
patent: 6112272 (2000-08-01), Gates
patent: 6622194 (2003-09-01), Lee
patent: 6745369 (2004-06-01), May et al.
patent: 2002/0012263 (2002-01-01), Ohshima et al.
patent: 2003/0147298 (2003-08-01), Ooishi et al.
patent: 5-151776 (1993-06-01), None

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