Phase change memory device, system including the memory device, and method for operating the memory device

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United States of America Patent

PATENT NO 11756614
APP PUB NO 20220230682A1
SERIAL NO

17657861

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Abstract

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A phase-change memory device column decoder is divided into two portions that can be governed independently of one another, and the driving signals of the two portions are configured so as to guarantee comparable capacitive loads at the two inputs of a sense amplifier in both of the operations of single-ended reading and double-ended reading. In particular, during single-ended reading, the sense amplifier has a first input that receives a capacitive load corresponding to the direct memory cell selected, and a second input that receives a capacitive load associated to a non-selected complementary memory cell.

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Patent Owner(s)

  • STMICROELECTRONICS S.R.L.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Disegni, Fabio Enrico Carlo Spino d'adda, IT 37 32
Manfré, Davide Pandino, IT 6 7
Perroni, Maurizio Francesco Messina, IT 36 174
Torti, Cesare Pavia, IT 20 15

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