Multi-port memory device
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United States of America Patent
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Sep 12, 1995
Grant Date -
N/A
app pub date -
Feb 5, 1993
filing date -
Feb 5, 1993
priority date (Note) -
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Abstract
A multi-port memory device includes a row-column array, a random access port, a plurality of bidirectional serial access memory (SAM) ports, and a switching network. There is one SAM port for each of a plurality of sets of columns. The switching network selectively couples each SAM port with each set, each set with each other set, and each SAM port with each other SAM port. A video random access memory (VRAM) or a multi-port dynamic random access memory (DRAM) of the present invention provides increased flexibility in smaller die area.
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