Multiport semiconductor memory device
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United States of America Patent
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May 17, 1994
Grant Date -
N/A
app pub date -
Sep 30, 1992
filing date -
Feb 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiport memory device includes first and second memory cell arrays divided by a shared sense amplifier circuit, a first serial data register capable of transferring data with a row in the first memory array through a first data bus, a second serial data register capable of transferring data with a row in the second memory array through a second data bus. The multiport memory device activates both the first and second data bus for transferring data of a row in the first or second memory array both to the first and second serial data registers in the same data transfer cycle in response to a dual read transfer instructions.
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