Static information storage and retrieval – Addressing – Plural blocks or banks
Patent
1995-09-26
1998-01-06
Lane, Jack A.
Static information storage and retrieval
Addressing
Plural blocks or banks
365 63, 36523006, 395507, 395510, 395519, 345185, G11C 506, G06F 1562
Patent
active
057062439
ABSTRACT:
In a semiconductor memory for storing image data, memory cell blocks each containing a plurality of memory cells arranged in a column direction are formed such that the plurality of memory cells belonging to each of the memory cell blocks are connected with a sub word line. The above memory cell blocks are arranged in an array. There are installed a plurality of horizontal word lines and a plurality of diagonal word lines. By selecting one of the horizontal word lines, a set of rectangular-region data of the image data is stored in the respective memory cells of the plurality of memory cell blocks placed in a given column direction. By selecting one of the diagonal word lines, sets of rectangular-region data placed in the same column are read out. Consequently, by selecting one of the horizontal word lines or one of the diagonal word lines, either or both of a set of rectangular-region data and one line of data on an image can be accessed at a high speed using a page mode cycle.
Lane Jack A.
Matsushita Electric - Industrial Co., Ltd.
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