Apparatus and method to optimize STT-MRAM size and write error rate
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United States of America Patent
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Jul 18, 2017
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Sep 27, 2013
filing date -
Sep 27, 2013
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Abstract
Described is an apparatus comprising: a first select-line; a second select-line; a bit-line; a first bit-cell including a resistive memory element and a transistor, the first bit-cell coupled to the first select-line and the bit-line; a buffer with an input coupled to the first select-line and an output coupled to the second select-line; and a second bit-cell including a resistive memory element and a transistor, the second bit-cell coupled to the second select-line and the bit-line. Described is a magnetic random access memory (MRAM) comprising: a plurality of rows, each row including: a plurality of bit-cells, each bit-cell having an MTJ device coupled to a transistor; and a plurality of buffers, each of which to buffer a select-line signal for a group of bit-cells among the plurality of bit-cells; and a plurality of bit-lines, each row sharing a single bit-line among the plurality of bit-cells in that row.
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