MIXED DIGITAL-ANALOG MEMORY DEVICES AND CIRCUITS FOR SECURE STORAGE AND COMPUTING
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United States of America Patent
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Issued Date -
Nov 26, 2020
app pub date -
May 18, 2020
filing date -
May 23, 2019
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Abstract
A non-volatile memory device includes a plurality of memory cells arranged in a matrix, a plurality of word lines extended in a row direction, and a plurality of bit lines extended in a column direction. Each of the memory cells is coupled to one of the word lines and one of the bit lines. The memory device further includes a word-line control circuit coupled to and configured to control the word lines, a first bit-line control circuit configured to control the bit lines and sense the memory cells in a digital mode, and a second bit-line control circuit configured to bias the bit lines and sense the memory cells in an analog mode. The first bit-line control circuit is coupled to a first end of each of the bit lines. The second bit-line control circuit is coupled to a second end of each of the bit lines.
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