Multiple port random access memory
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United States of America Patent
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May 23, 1989
Grant Date -
N/A
app pub date -
Sep 8, 1987
filing date -
Sep 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiple port memory includes a set of memory units each comprising a set of memory cells, one corresponding to each port. Each cell of a memory unit stores a single data bit and each cell is independently read and write accessed through separate data, address and control busses. The cells of each memory unit are cross-coupled so that when the state of the bit stored by one of the cells of a memory unit is changed when write accessed, the other cells of the memory unit thereafter change the states of their stored bits in the same way.
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