Apparatuses and methods for sensing memory cells

M Sforzin, P Amato - US Patent 10,424,372, 2019 - Google Patents
Sensing memory cells can include: applying a voltage ramp to a group of memory cells to
sense their respective states; sensing when a first switching event occurs to one of the …

Reference column sensing for resistive memory

JS Ignowski, M Foltin, Y Jeon - US Patent 10,490,270, 2019 - Google Patents
A circuit includes a resistive memory cell in a memory array to store a memory state for the
resistive memory cell. A reference cell in the memory array stores a reference memory state …

Differential weight reading of an analog memory element in crosspoint array utilizing current subtraction transistors

S Kim, SC Seo, OK Injo, CH Lee - US Patent 10,381,074, 2019 - Google Patents
A resistive processing unit includes an analog memory element coupled to a read row line
and a read column line, a first current subtraction field-effect transistor (FET) coupled to the …

Resistive memory transition monitoring

U Backhausen, G Curatolo, J Rosenbusch - US Patent 10,056,145, 2018 - Google Patents
A circuit for monitoring a resistive memory having an array of cells coupled between
respective bitlines and respective wordlines. The circuit includes a current determining …

Apparatuses and methods for sensing memory cells

M Sforzin, P Amato - US Patent 10,861,542, 2020 - Google Patents
Sensing memory cells can include: applying a voltage ramp to a group of memory cells to
sense their respective states; sensing when a first switching event occurs to one of the …

Methods and systems for highly optimized memristor write process

A Sharma, JP Strachan, S Kumar, C Graves… - US Patent …, 2021 - Google Patents
Abstract Systems and methods for providing write process optimization for memristors are
described. Write process optimization circuitry manipulates the memristor's write operation …

Apparatuses and methods for sensing memory cells

M Sforzin, P Amato - US Patent 11,217,306, 2022 - Google Patents
Sensing memory cells can include: applying a voltage ramp to a group of memory cells to
sense their respective states; sensing when a first switching event occurs to one of the …

Resistive memory transition monitoring

U Backhausen, G Curatolo, J Rosenbusch - US Patent 10,311,955, 2019 - Google Patents
A method for monitoring a resistive memory having an array of cells coupled between
respective bitlines and respective wordlines. The method includes determining, by a current …