FeMPIM: A FeFET-Based Multifunctional Processing-in-Memory Cell

doi:10.1109/TCSII.2023.3331267

FeMPIM: A FeFET-Based Multifunctional Processing-in-Memory Cell

2024-04-01

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DOI：10.1109/TCSII.2023.3331267

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The Von-Neumann memory wall bottleneck that keeps expanding is mainly caused by the frequent data transfer between the main memory and the processor. The processing in-memory (PiM) capabilities of emerging nonvolatile devices have the potential to partially alleviate the memory wall problem. In this brief, we use the ferroelectric field-effect transistor (FeFET), one of the emerging nonvolatile devices, to design a multifunctional processing in-memory cell, namely FeMPIM. It can perform multiple logic operations in computing mode as well as content searching in ternary content-addressable memory (TCAM) mode. Simulation results demonstrate the multifunctional capability of the proposed FeMPIM as well as its moderate overhead when compared with the complementary metal-oxide-semiconductor (CMOS) based and the existing FeFET-based devices.

Keywords:

FeFETs

Computer architecture

Microprocessors

Arrays

Transistors

Voltage

Nonvolatile memory

Ferroelectric field-effect transistor

ternary content-addressable memory

processing-in-memory

FeMPIM: A FeFET-Based Multifunctional Processing-in-Memory Cell

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