Design and Simulation of a 128 kb Embedded Nonvolatile Memory Based on a Hybrid RRAM (HfO$_2$ )/28 nm FDSOI CMOS Technology - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Nanotechnology Année : 2017

Design and Simulation of a 128 kb Embedded Nonvolatile Memory Based on a Hybrid RRAM (HfO$_2$ )/28 nm FDSOI CMOS Technology

Damien Deleruyelle
Kholdoun Torki
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Résumé

Emerging nonvolatile memories (NVM) based on resistive switching mechanism such as RRAM are under intense R&D investigation by both academics and industries. They provide high write/read speed, low power, and good endurance (e.g., >10$^{12}$) beyond mainstream NVMs, enabling them to be a good candidate for Flash replacement in microcontroller unit. This replacement could significantly decrease the power consumption and the integration cost on advanced CMOS nodes. This paper presents first the HfO$_2$-based RRAM technology and the associated compact model, which includes related physics and model card fitting experimental electrical characterizations. The 128 kb memory architecture based on RRAM technology and 28 nm fully depleted silicon on insulator (FDSOI) CMOS core process is presented with a bottom-up approach, starting from the bit-cell definition up to the complete memory architecture implementation. The key points of the architecture are the use of standard logic MOS exclusively, avoiding any high voltage MOS usage, program/verify procedure to mitigate cycle to cycle variability issue and direct bit-cell read access for characterization purpose. The proposed architecture is validated using postlayout simulations on MOS and RRAM corner cases.
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Dates et versions

hal-01745418 , version 1 (28-03-2018)

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Jean-Michel Portal, Marc Bocquet, Santhosh Onkaraiah, Mathieu Moreau, Hassen Aziza, et al.. Design and Simulation of a 128 kb Embedded Nonvolatile Memory Based on a Hybrid RRAM (HfO$_2$ )/28 nm FDSOI CMOS Technology. IEEE Transactions on Nanotechnology, 2017, 16, pp.677 - 686. ⟨10.1109/TNANO.2017.2703985⟩. ⟨hal-01745418⟩
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