Random access memory with optional inaccessible memory cells

Details Random access memory with optional inaccessible memory cells Random access memory with optional inaccessible memory cells

2005-10-18

2005-10-18

Auduong, Gene N. (Department: 2827)

Static information storage and retrieval

Addressing

Plural blocks or banks

C365S195000, C365S230040

Reexamination Certificate

active

06956786

ABSTRACT:
A random access memory comprises a plurality of data pads and an array of memory cells comprising a first portion of memory cells and a second portion of memory cells. The random access memory comprises a first line configured to receive first data signals between the first portion of memory cells and the data pads and a second line configured to receive second data signals between the second portion of memory cells and the data pads. The first portion of memory cells is configured to be made inaccessible to eliminate the first data signals and a first number of the data pads and the second portion of memory cells is configured to be made inaccessible to eliminate the second data signals and a second number of the data pads.

REFERENCES:
patent: 6134179 (2000-10-01), Ooishi
patent: 6137745 (2000-10-01), Lin et al.
patent: 6154389 (2000-11-01), Chung et al.
patent: 6317355 (2001-11-01), Kang
patent: 6336202 (2002-01-01), Tsuchimoto et al.
patent: 6418068 (2002-07-01), Raynham
patent: 6480429 (2002-11-01), Jones et al.

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