Programmable device and method of testing programmable device

Details Programmable device and method of testing programmable device Programmable device and method of testing programmable device

1988-07-19

1990-11-20

Moffitt, James W.

Static information storage and retrieval

Read/write circuit

Testing

371 212, 371 222, G11C 2900

Patent

active

049723723

ABSTRACT:
A programmable device has a cell formation region having rows and columns of programmable cells arranged in a matrix arrangement, a real cell region within the cell formation region and constituted by the programmable cells which are to be actually programmed, a test bit region within the cell formation region and including a number of rows of the programmable cells so as to include all kinds of the programmable cells within the real cell region, and a test word region within the cell formation region and including a number of columns of the programmable cells so as to include all kinds of the programmable cells within the real cell region. All of the programmable cells within the real cell region can essentially be tested by testing the programmable cells within the test bit region and the test word region.

REFERENCES:
patent: 4320507 (1982-06-01), Fukushima et al.
patent: 4459694 (1984-07-01), Ueno et al.

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