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@INPROCEEDINGS{Shamookh:1031258,
author = {Shamookh, Muhammad and Ashok, Arun and Zambanini, Andre and
Geläschus, Anton Ulrich and Grewing, Christian and Bahr,
Andreas and van Waasen, Stefan},
title = {3.35{V} {H}igh {V}oltage {E}lectroforming {G}enerator in
28nm with 5.3m{V} ripple and $46\%$ efficiency for {H}f{O}2
based {M}emristors},
reportid = {FZJ-2024-05636},
year = {2024},
abstract = {A high voltage (HV) that is usually not available in modern
nodes is required to form memristors. A scalable
implementation requires the HV to be generated on chip and
this work proposes such a generator. In a 28nm CMOS process,
a three-stage charge pump (CP) is designed in the absence of
HV-transistors. For the HfO2 based memristor electroforming
(EF), a developed CP runs with an efficiency of $46.5\%$ at
an output voltage of 3.35V and a load current of 184.9μA
from a 1.8V supply. The optimum design strategy for a
cross-coupled charge pump (CC-CP) is explained for a low
ripple < 6mV, while at the same time ensuring lower
capacitor value and high reliability. The results of an
over-voltage analytical investigation have important
ramifications for lowering the overall area without
compromising output voltage or CP efficiency. Monte Carlo
simulation for 200 samples were also performed to verify the
design’s robustness. However, the proposed design can be
readily extended to any memristor application or material,
thereby paving the way for the integration of fully
integrated chips (ICs) for memristor EF in smaller
technology nodes.},
month = {Jul},
date = {2024-07-02},
organization = {International Conference on Synthesis,
Modeling, Analysis and Simulation
Methods, and Application to Circuit
Design, Volos (Greece), 2 Jul 2024 - 5
Jul 2024},
subtyp = {After Call},
cin = {ZEA-2},
cid = {I:(DE-Juel1)ZEA-2-20090406},
pnm = {5234 - Emerging NC Architectures (POF4-523) / BMBF
16ME0398K - Verbundprojekt: Neuro-inspirierte Technologien
der künstlichen Intelligenz für die Elektronik der Zukunft
- NEUROTEC II - (BMBF-16ME0398K)},
pid = {G:(DE-HGF)POF4-5234 / G:(DE-82)BMBF-16ME0398K},
typ = {PUB:(DE-HGF)6},
url = {https://juser.fz-juelich.de/record/1031258},
}