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Hardware implementation of memristor-based artificial neural networks. [PDF]

open access: yesNat Commun
Aguirre F   +30 more
europepmc   +1 more source
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Ion Beam Etch for Patterning of Resistive RAM (ReRAM) Devices

MRS Advances, 2017
We investigate the feasibility of inert ion beam etch (IBE) for subtractive patterning of ReRAM-type structures. We report on the role of the angle-dependent ion beam etch rates in device area control and the minimization of sidewall re-deposition. The etch rates of key ReRAM materials are presented versus incidence angle and ion beam energy.
Narasimhan Srinivasan   +4 more
openaire   +2 more sources

A High-Speed 7.2-ns Read-Write Random Access 4-Mb Embedded Resistive RAM (ReRAM) Macro Using Process-Variation-Tolerant Current-Mode Read Schemes

IEEE Journal of Solid-State Circuits, 2013
ReRAM is a promising next-generation nonvolatile memory (NVM) with fast write speed and low-power operation. However, ReRAM faces two major challenges in read operations: 1) low read yield due to wide resistance distribution and 2) the requirement of accurate bit line (BL) bias voltage control to prevent read disturbance.
Meng-Fan Chang   +14 more
openaire   +2 more sources

A 0.5V 4Mb logic-process compatible embedded resistive RAM (ReRAM) in 65nm CMOS using low-voltage current-mode sensing scheme with 45ns random read time

2012 IEEE International Solid-State Circuits Conference, 2012
Numerous low-supply-voltage (V DD ) mobile chips, such as energy-harvesting-powered devices and biomedical applications, require low-V DD on-chip nonvolatile memory (NVM) for low-power active-mode access and power-off data storage. However, conventional NVMs cannot achieve low-V DD operation due to insufficient write voltage generated by charge ...
Meng-Fan Chang   +8 more
openaire   +2 more sources

A low-power subthreshold-to-superthreshold level-shifter for sub-0.5V embedded resistive RAM (ReRAM) macro in ultra low-voltage chips

2014 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), 2014
Many mobile chips with low supply voltage (VDD) require low-voltage embedded nonvolatile memory (eNVM) to enable low-power read operations and zero-standby-current power-off storage. ReRAM has a lower write-voltage (V W ), smaller write-current (I w ), and larger resistance-ratio than other NVMs, making it a good candidate for low-VDD eNVM, as long as ...
Meng-Fan Chang   +7 more
openaire   +2 more sources

A Low-Voltage Bulk-Drain-Driven Read Scheme for Sub-0.5 V 4 Mb 65 nm Logic-Process Compatible Embedded Resistive RAM (ReRAM) Macro

IEEE Journal of Solid-State Circuits, 2013
ReRAM is a promising candidate for on-chip low-VDD NVM due to its superior write behavior, particularly for frequent-read-seldom-write applications. Nonetheless, this approach requires a robust and fast low-VDD read scheme. Current-mode sense amplifiers (CSA) are commonly used in NVM; however, they suffer low-yield and degraded speed at a low VDD, due ...
null Meng-Fan Chang   +9 more
openaire   +2 more sources

Design and Test Challenges in Resistive Switching RAM (ReRAM): An Electrical Model for Defect Injections

2009 14th IEEE European Test Symposium, 2009
Emerging concepts of non-volatile memories are more and more investigated to replace conventional charge storage-based devices like EEPROM or Flash. One of these promising memory concepts is called Resistive Switching Memory (ReRAM). Such memory is based on a switching mechanism controlled in current and/or voltage, between two distinct resistive ...
O. Ginez, J.-M. Portal, Ch. Muller
openaire   +2 more sources

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