Semiconductor memory device
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United States of America Patent
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Apr 25, 1995
Grant Date -
N/A
app pub date -
May 21, 1993
filing date -
May 22, 1992
priority date (Note) -
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Abstract
A semiconductor memory device includes a silicon chip and sub-arrays formed in the chip. In each of the sub-arrays, memory cells arranged in a matrix form, word lines provided for respective rows of each of the sub-arrays, and bit lines provided for respective columns of each of the sub-arrays are arranged. Further, in the chip, amplifier groups for amplifying data read out from the memory cells are arranged for the respective sub-arrays. Amplifiers connected to respective bit lines are provided in the amplifier groups and the amplifiers each have a function of continuously holding data read out from the memory cell.
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