tag: CMOS

A Flip-Chip, Co-Packaged With Photodiode, High-speed TIA in 16nm FinFET CMOS
By Technical Paper Link - 20 Jul, 2023 - Comments: 0

A technical paper titled "A 112-Gb/s —8.2-dBm Sensitivity 4-PAM Linear TIA in 16-nm CMOS With Co-Packaged Photodiodes" was published by researchers at University of Toronto, Alphawave IP, and Huawei Technologies Canada. Abstract: "A flip-chip co-packaged linear transimpedance amplifier (TIA) in 16-nm fin field effect transistor (FinFET) CMOS demonstrating 112-Gb/s four-level pulse-amplitude... » read more

Topological Semimetal Synthesized Thin Film That Can Increase Power and Memory Storage While Using Less Energy
By Technical Paper Link - 20 Jul, 2023 - Comments: 0

A technical paper titled "Robust negative longitudinal magnetoresistance and spin-orbit torque in sputtered Pt3Sn and Pt3SnxFe1-x topological semimetal" was published by researchers at University of Minnesota. Abstract: "Contrary to topological insulators, topological semimetals possess a nontrivial chiral anomaly that leads to negative magnetoresistance and are hosts to both conductive bulk ... » read more

Analog On-Chip Learning Circuits In Mixed-Signal Neuromorphic SNNs
By Technical Paper Link - 20 Jul, 2023 - Comments: 0

A technical paper titled "Neuromorphic analog circuits for robust on-chip always-on learning in spiking neural networks" was published by researchers at Institute of Neuroinformatics, University of Zurich, and ETH Zurich. Abstract: "Mixed-signal neuromorphic systems represent a promising solution for solving extreme-edge computing tasks without relying on external computing resources. Their s... » read more

Search Based Method For Identifying Aging Model Parameters
By Technical Paper Link - 24 Jun, 2023 - Comments: 0

A technical paper titled “Leveraging Public Information to Fit a Compact Hot Carrier Injection Model to a Target Technology” was published by researchers at University of Victoria. Abstract: "The design of countermeasures against integrated circuit counterfeit recycling requires the ability to simulate aging in CMOS devices. Electronic design automation tools commonly provide this ability... » read more

The History Of CMOS
By Paul McLellan - 25 May, 2023 - Comments: 0

Since CMOS has been around for about 50 years, a comprehensive history would be a book. This blog focuses on what I consider the major transitions. NMOS Before CMOS, there was NMOS (also PMOS, but I have no direct experience with that). An NMOS gate consisted of a network of N-transistors between the output and Vss, and a resistor (actually a transistor with an implant) between the output and... » read more

What Data Center Chipmakers Can Learn From Automotive
By Anne Meixner - 11 Apr, 2023 - Comments: 2

Automotive OEMs are demanding their semiconductor suppliers achieve a nearly unmeasurable target of 10 defective parts per billion (DPPB). Whether this is realistic remains to be seen, but systems companies are looking to emulate that level of quality for their data center SoCs. Building to that quality level is more expensive up front, although ultimately it can save costs versus having to ... » read more

Scatterometry-Based Methodologies For Characterization Of MRAM Technology
By Nova - 18 Jan, 2023 - Comments: 0

Magnetoresistive random-access memory (MRAM) technology and recent developments in fabrication processes have shown it to be compatible with Si-based complementary metal oxide semiconductor (CMOS) technologies. The perpendicular spin transfer torque MRAM (STT-MRAM) configuration opened up opportunities for an ultra-dense MRAM evolution and was most widely adapted for its scalability. Insertion ... » read more

MAC Operation on 28nm High-k Metal Gate FeFET-based Memory Array with ADC (Fraunhofer IPMS/GF)
By Technical Paper Link - 01 Dec, 2022 - Comments: 0

A technical paper titled "Demonstration of Multiply-Accumulate Operation With 28 nm FeFET Crossbar Array" was published by researchers at Fraunhofer IPMS and GlobalFoundries. Abstract "This letter reports a linear multiply-accumulate (MAC) operation conducted on a crossbar memory array based on 28nm high-k metal gate (HKMG) Complementary Metal Oxide Semiconductor (CMOS) and ferroelectric fi... » read more

AI Feeds Vision Processor, Image Sensor Boom
By Susan Rambo - 03 Nov, 2022 - Comments: 0

Vision systems are rapidly becoming ubiquitous, driven by big improvements in image sensors as well as new types of sensors. While the sensor itself often is developed using mature-node silicon, increasingly it is connected to vision processors developed at the most advanced process nodes. That allows for the highest performance per watt, and it also allows designs to incorporate AI accelera... » read more

Foundational Changes In Chip Architectures
By Brian Bailey - 13 Oct, 2022 - Comments: 5

We take many things in the semiconductor world for granted, but what if some of the decisions made decades ago are no longer viable or optimal? We saw a small example with finFETs, where the planar transistor would no longer scale. Today we are facing several bigger disruptions that will have much larger ripple effects. Technology often progresses in a linear fashion. Each step provides incr... » read more

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