Semiconductor integrated circuit device
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Sep 16, 1998
filing date -
Sep 16, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semiconductor integrated circuit device is comprised a main memory portion constituted with memory cells arranged in a plurality of rows and in a plurality of columns and a sub memory portion constituted with memory cells arranged in a plurality of rows and in a plurality of columns, wherein at least one of address input terminals assigning rows or columns of the main memory portion and at least one of address input terminals assigning rows or columns of the sub memory portion are commonly used and a total number of address input terminals is equal to or smaller than the number of address input terminals assigning rows or columns of the main memory portion. Therefore, the semiconductor integrated circuit device of the present invention has a main memory suitable for being accessed from a plurality of data processors.
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