IMSE-CNM

Implementando conceptos innovadores en silicio

Áreas de Investigación

Analog Signal Processing
Analog Signal Processing

Digital Signal Processing & VLSI Systems
Digital Signal Processing & VLSI Systems

Brain-Inspired Neural Networks and Artificial Intelligence
Brain-Inspired Neural Networks and Artificial Intelligence

Sensory & Photonic Vision Systems
Sensory & Photonic Vision Systems

Nanoelectronics and Emerging Technologies
Nanoelectronics and Emerging Technologies

Biomedical and Bioinspired Circuits and Systems
Biomedical and Bioinspired Circuits and Systems

Integrated Circuits for Space Applications
Integrated Circuits for Space Applications

Hardware Security
Hardware Security

Noticias

IMSE Feria Ciencia 2025
La microelectrónica, presente en la Feria de la Ciencia a través del IMSE

El IMSE ha participado un año más en la Feria de la Ciencia, que ya ha alcanzado su 23ª edición. Durante tres días (22, 23 y 24 de abril), el evento organizado por la Sociedad Andaluza para la Divulgación de la Ciencia (SADC) ha convertido al Palacio de Congresos y Exposiciones Sevilla en el epicentro de la divulgación científica andaluza.
25 Abril 2025

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IMSE International Symposium ARC 2025
El IMSE lidera la organización del 21st International Symposium on Applied Reconfigurable Computing ARC 2025

El evento internacional reunió a investigadores y empresas líderes en computación reconfigurable en la Facultad de Informática (Universidad de Sevilla)
21 Abril 2025

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Tesis premiada Investigadores IMSE
Reconocimiento a la excelencia: una de las tesis del IMSE, premiada por su impacto en la investigación científica

La entrega del galardón ha sido organizada conjuntamente por el Excmo. Ayuntamiento de Sevilla y el Consejo Superior de Investigaciones Científicas (CSIC).
27 Marzo 2025

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Investigadores IMSE Libro
Los investigadores Juan Antonio Leñero Bardallo y Ángel Rodríguez-Vázquez publican un libro sobre sensores de imagen SPAD y tecnología LiDAR

Nos alegra anunciar la publicación del libro "Design of event-driven spad-based 3D image sensors" en el que los investigadores de nuestro Instituto, Juan Antonio Leñero Bardallo y Ángel Rodríguez-Vázquez figuran como coautores.
20 Marzo 2025

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Comision Europea Feria Ciencia
El IMSE, entre los 10 seleccionados para reunirse con la Comisionada Europea en la Feria de la Ciencia de Bruselas

El investigador de nuestro instituto, David Martín, participó en una reunión informal con la Comisionada Europea Ekaterina Zakharieva para dialogar sobre los programas Marie Sklodowska-Curie y ERC.
20 Marzo 2025

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Talento femenino ciencia IMSE
Impulsando el talento femenino en la ciencia: Una jornada de divulgación en el IES Alminar

Desde el IMSE llevamos a cabo varias actividades para poner en valor en papel de las investigadoras de nuestro centro.
11 Febrero 2025

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EVENTOS Y NOTICIAS ANTERIORES

Nueva Directora del IMSE-CNM

La investigadora del IMSE Teresa Serrano Gotarredona ha sido nombrada nueva Directora del Instituto de Microelectrónica de Sevilla.

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Formación en el IMSE

- Doctorado
- Máster
- Grados
- Trabajos Fin de Grado
- Prácticas en Empresa

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Publicaciones recientes

Harvesting random telegraph noise for true random number generation
F.J. Rubio-Barbero, F. de los Santos-Prieto, R. Castro-López, E. Roca and F.V. Fernández
Journal Paper · AEU - International Journal of Electronics and Communications, vol. 196, June 2025
AEU    
resumen      doi      

At first glance, Random Telegraph Noise (RTN) in deeply scaled CMOS transistors may seem like a reliability nuisance. Yet, behind the discrete trapping-and-detrapping events lurks a potent source of hardware entropy. In this paper, we harness RTN to build a dual-purpose security module that serves as both a Physical Unclonable Function (PUF) and a True Random Number Generator (TRNG). By measuring the so-called Maximum Current Fluctuation (MCF) at carefully chosen observation windows, our design switches effortlessly between the stable outputs needed for a PUF and the maximally unpredictable bitstreams demanded by a TRNG. Although single-defect RTN has long been deemed ideal for randomness, we show that multi-defect RTN scenarios, much more prevalent in real-world manufacturing, can also yield high-quality random bits, especially when aided by lightweight post-processing. Simple statistical metrics guide the initial tuning, after which the final bitstreams pass the NIST SP 800-22 test suite to validate the statistical soundness of our proposal. In doing so, we address key challenges that arise when designing an RTN-based TRNG and compare our results against state-of-the-art solutions, highlighting advantages in circuit simplicity, bit-rate scalability, and dual-use capability.

Design of Event-Driven SPAD-Based 3D Image Sensors
R. Gómez-Merchán, J. A. Leñero-Bardallo and Á. Rodríguez-Vázquez
Book · 234 P, 2024
CRC Press    ISBN: 978-10-32-51353-9    
resumen     

The book presents a top-down circuit description for the implementation of asynchronous vision sensors based on Single-Photon Avalanche Diodes (SPADs). It provides design considerations to convey the SPADs pulses through a channel shared by all the pixels. The book also presents architectures where dynamic vision sensors and SPADs converge.

Design of Event-Driven SPAD-Based 3D Image Sensors provides detailed technical insights about novel image sensor architectures with SPADs with asynchronous operation. At the sensor level, the book provides asynchronous circuitry to read and arbiter the pixel outputs. The authors explore new LiDAR architectures with asynchronous operation and provide insights into their design. A detailed benchmark of modern and competitive LiDAR systems is also presented. At the pixel level, the book provides design considerations to convey the SPADs pulses through a channel shared by all the pixels. At the sensor level, the book provides asynchronous circuitry to read and arbiter the pixel outputs. Finally, experimental results of very novel LiDAR systems with asynchronous operation will be provided and analyzed.

The book is written for professionals who want to explore new tendencies on the design of image sensors for the implementation of LiDAR systems.

Exploiting the acousto-optic effect for developing secure digital identifiers
D. Martín-Sánchez and P. Brox
Conference · Moscone South, Room 302 (Level 3), San Francisco, Estados Unidos, 28 Enero 2025
resumen     

Cybersecurity is rooted in hardware to achieve high security. Physical unclonable functions (PUFs) are cryptographic primitives that implement one-way functions to generate cryptographic keys on-demand. Current approaches implement PUFs using microelectronic circuits that exploit the random manufacturing variabilities. Other alternatives exploit optical principles to offer higher security. However, their reliability is compromised by environmental effects and integrated systems are still to be realized. Here a novel approach is proposed to enhance reliability and potentially enable integration in digital security systems. The proposed method uses the acousto-optical effect to interrogate optical PUFs, avoiding precision alignment of moving parts and bulky equipment. This way of interrogating the PUF can also be miniaturized in a photonic integrated circuit. The experimental results demonstrate the feasibility of this approach and the potential for generating a large number of truly random cryptographic keys.

Open Source API for a Hardware Root-of-Trust
E. Camacho-Ruiz, L.F. Rojas-Muñoz, A. Karmakar, P. Navarro-Torrero, P. Brox and M.C. Martínez-Rodríguez
Conference · XVIII Reunión Española de Criptología y Seguridad de la Información, 23-25 octubre 2024, León (España)
resumen     

This paper presents an API designed for a hardware-based Root of Trust that provides a suite of essential cryptographic and security functions based on hardware cryptographic IP cores. The high-level abstraction of the API enables software developers to create secure applications within secure computing systems by leveraging the benefits of hardware IP cores. The hardware IP cores that support the API are compliant with international standards, ensuring robust security and reliability. The API development adheres to the open-source science policies and is published online under a public license. Additionally, the portability of the API across multiple platforms ensures wide compatibility and accessibility, enabling seamless integration and reproducibility.

TODAS LAS PUBLICACIONES

Video institucional del IMSE

Qué hacemos en el IMSE

El área de especialización del Instituto es el diseño de circuitos integrados analógicos y de señal mixta en tecnología CMOS, así como su uso en diferentes contextos de aplicación tales como dispositivos biomédicos, comunicaciones inalámbricas, conversión de datos, sensores de visión inteligentes, ciberseguridad, computación neuromórfica y tecnología espacial.

La plantilla del IMSE-CNM está formada por unas cien personas, entre personal científico y de apoyo, que participan en el avance del conocimiento, la generación de diseños de alto nivel científico-técnico y la transferencia de tecnología.

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Webs relacionadas con el IMSE

Máster en Microelectrónica. Diseño y Aplicaciones de Sistemas Micro/Nanométricos

Doctorado en Ciencias y Tecnologías Físicas

Doctorado de Ingeniería Informática

SIMSIDES: A Time-Domain Behavioral Simulator for Sigma-Delta Modulators in MATLAB/SIMULINK

SHORES: Software & Hardware Open Repository for Embedded Systems

Fuzzy Logic Design Tools

El IMSE en los medios
El IMSE en los medios

El Mundo de los Chips
El Mundo de los Chips

Catálogo de Servicios Científico-Técnicos
Catálogo de Servicios Científico-Técnicos

Empleo en el IMSE
Empleo en el IMSE
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