Adesto Technologies
An American semiconductor company that developed non-volatile memory, application-specific integrated circuits, and embedded-system technologies for IoT and industrial applications.
Last updated August 26, 2026
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Overview
Adesto Technologies Corporation was an American semiconductor and embedded-systems company founded in 2006 and headquartered in Santa Clara, California. It developed technologies for electronic products that required compact, low-power, reliable computing and data-retention functions, with a particular emphasis on the Internet of Things, industrial automation, consumer electronics, and other embedded applications. The company sold primarily to original equipment manufacturers and original design manufacturers, whose products incorporated Adesto components and systems for end customers. Adesto began with non-volatile memory technology. Its early work centered on programmable metallization cell technology licensed from Axon Technologies, a company spun out of Arizona State University. This approach used the movement of copper ions to store information without continuous power. In 2010 Adesto acquired intellectual property and patents associated with conductive bridging random-access memory, or CBRAM, from Qimonda AG. Its first CBRAM product entered production in 2011. The technology was positioned for embedded uses where low power consumption, small die area, fast access, and non-volatile data retention were valuable. The company broadened its activities during the 2010s. It completed an initial public offering in 2015 under the ticker IOTS and subsequently expanded beyond memory through acquisitions. In 2018 it acquired S3 Semiconductors, adding analog and mixed-signal application-specific integrated circuits and intellectual-property cores. It also acquired Echelon Corporation, a provider of networking and control technologies for home and industrial automation. These transactions expanded Adesto's portfolio from standalone non-volatile memory products into ASICs, embedded systems, connectivity, and automation-oriented solutions. Adesto also explored computing architectures that could perform calculations directly in memory. In 2018 it began working with the University of California, San Diego, on this type of technology, reflecting the industry's interest in reducing data movement between memory and processing units. Dialog Semiconductor agreed to acquire Adesto for approximately $500 million, and the transaction was completed in 2020. After the acquisition, Adesto ceased operating as an independent public company and its technologies and business activities were absorbed into Dialog Semiconductor. The Adesto name therefore describes a former independent semiconductor company rather than an active standalone brand.
History
Adesto Technologies was established in 2006 by Narbeh Derhacobian, Shane Hollmer, and Ishai Naveh. Derhacobian had previously held technical and management positions at AMD, Virage Logic, and Cswitch Corporation. The new company concentrated on non-volatile memory for embedded electronics, developing technology based on programmable metallization cells and the movement of copper ions. Adesto licensed this technology from Axon Technologies, a company associated with an Arizona State University spin-off. A significant early development came in October 2010, when Adesto acquired intellectual property and patents relating to Conductive Bridging Random Access Memory from Qimonda AG. CBRAM stores information by forming and dissolving conductive paths through a material, allowing data to remain available when power is removed. Adesto's first CBRAM product entered production in 2011. The company promoted this class of memory for embedded applications requiring low energy use, compact implementation, and persistent storage. Adesto became a public company in 2015 through an initial public offering under the symbol IOTS. The offering gave it access to public capital while it continued developing memory products for IoT and embedded markets. During the following years, the company pursued a broader semiconductor strategy rather than remaining solely a memory vendor. In May 2018, Adesto completed the acquisition of S3 Semiconductors. S3 contributed analog and mixed-signal ASIC products and intellectual-property cores, allowing Adesto to address more aspects of an electronic system's design. In the same year, Adesto announced and completed the acquisition of Echelon Corporation. Echelon had developed networking, control, and automation technologies for home and industrial environments. The transaction expanded Adesto's offerings to include embedded systems and automation solutions alongside its original non-volatile-memory products. Adesto also investigated processing approaches that reduce the movement of data between memory and conventional processors. In 2018 it began a cooperation with the University of California, San Diego, to examine the possibility of performing calculations directly in memory. This work aligned with broader industry efforts to improve the efficiency of data-intensive IoT and edge-computing systems. Dialog Semiconductor acquired Adesto in 2020 for approximately $500 million. Completion of the acquisition removed Adesto from independent public-company status and transferred its business into Dialog. As a result, Adesto is now best understood historically as a former semiconductor company whose memory, ASIC, and embedded-automation activities became part of a larger semiconductor group.
- 2020
Acquired by Dialog Semiconductor
[2]Dialog Semiconductor completed its acquisition of Adesto for approximately $500 million, ending Adesto's independent corporate and public-market status.
- 2018
S3 Semiconductors acquired
[1]Adesto acquired S3 Semiconductors, adding analog and mixed-signal ASIC and semiconductor-IP capabilities.
- 2018
Echelon Corporation acquired
[1]Adesto completed its acquisition of Echelon Corporation, expanding into embedded networking, control, and automation systems.
- 2018
Research cooperation with UC San Diego
[1]Adesto began cooperating with the University of California, San Diego, on computing directly in memory.
- 2015
Initial public offering
[1]Adesto completed an initial public offering and began trading under the symbol IOTS.
- 2011
First CBRAM product enters production
[1]The company began production of its first conductive-bridging RAM product.
- 2010
CBRAM intellectual property acquired
[1]Adesto acquired intellectual property and patents relating to Conductive Bridging Random Access Memory from Qimonda AG.
- 2006
Company founded
[1]Narbeh Derhacobian, Shane Hollmer, and Ishai Naveh founded Adesto Technologies to develop semiconductor and non-volatile-memory technologies for embedded applications.
Products and positioning
A specialist supplier of non-volatile memory, ASIC, and embedded-system technologies for IoT, industrial automation, and other power- and space-constrained electronic products.
Non-volatile memory · 2011
Conductive Bridging RAM
Conductive Bridging RAM, or CBRAM, was Adesto's principal memory technology. It stores data through reversible changes in a conductive path within a programmable material structure, allowing information to persist without power. Adesto targeted the technology at embedded systems that needed low-power operation, small memory footprints, fast access, and reliable retention. The company acquired related intellectual property from Qimonda in 2010 and brought its first CBRAM product into production in 2011.
Non-volatile memory
Serial flash memory
Adesto's serial flash products served embedded devices that needed compact persistent storage for firmware, configuration information, and operating data. Serial interfaces reduced pin requirements and supported integration into space-constrained electronic designs. The products were aimed at IoT devices, industrial equipment, consumer electronics, and related embedded applications where non-volatile storage and low power consumption were important design considerations.
Application-specific semiconductors · 2018
Analog and mixed-signal ASICs
Following the acquisition of S3 Semiconductors in 2018, Adesto offered analog and mixed-signal application-specific integrated circuits and related intellectual-property cores. These capabilities complemented its memory products by enabling customers to source more specialized semiconductor functions for particular systems. The business addressed OEM and ODM design requirements rather than functioning as a consumer-facing product brand.
IoT and industrial automation · 2018
Embedded automation systems
The acquisition of Echelon Corporation extended Adesto into embedded systems for home and industrial automation. These offerings included technologies for connecting, monitoring, and controlling distributed devices. They broadened Adesto's IoT portfolio beyond memory components and supported the company's strategy of combining semiconductor products with system-level automation capabilities.
Semiconductor research and development · 2018
In-memory computing research
In cooperation with the University of California, San Diego, Adesto explored architectures capable of performing calculations directly within memory. The objective was to reduce the energy and latency associated with moving data between memory and separate processing units. This was a research and development direction rather than a clearly documented standalone commercial product line.
Controversies
2020
Class action lawsuit filed against Adesto Technologies
Stockholder Peter Stein filed a class action complaint against Adesto Technologies, alleging violations of the Securities Exchange Act related to the proposed merger with Dialog Semiconductor and claiming that the preliminary proxy statement was materially incomplete and misleading.
Brand decisions
2020
Accept acquisition by Dialog SemiconductorM&ABackground
Dialog Semiconductor sought to expand its embedded non-volatile-memory and IoT-related capabilities, while Adesto gained an acquisition path into a larger semiconductor group.
Action taken
Dialog Semiconductor completed the acquisition of Adesto Technologies for approximately $500 million.
Aftermath
Adesto ceased to operate as an independent publicly traded company, and its business was incorporated into Dialog Semiconductor.
Acquisition value. Approximately $500 million (2020 acquisition)
2018
Acquire S3 SemiconductorsM&ABackground
Adesto wanted to expand beyond memory into complementary semiconductor design capabilities.
Action taken
Adesto acquired S3 Semiconductors, including its analog and mixed-signal ASIC products and intellectual-property cores.
Aftermath
The acquisition broadened Adesto's portfolio for OEM and ODM customers.
2018
Acquire Echelon CorporationM&ABackground
Adesto aimed to expand its IoT position into networking, control, and home and industrial automation systems.
Action taken
Adesto announced an agreement to acquire Echelon Corporation for $45 million and completed the transaction later in 2018.
Aftermath
Echelon's embedded automation and networking activities became part of Adesto's broader product portfolio.
Acquisition consideration. $45 million (2018 Echelon acquisition)
2018
Explore in-memory computingStrategyBackground
IoT and edge systems increasingly required efficient processing of data close to where it was stored.
Action taken
Adesto began a research cooperation with the University of California, San Diego, to investigate calculations performed directly in memory.
Aftermath
The initiative represented a research direction intended to reduce data movement, although a separate mass-market product was not documented in the supplied sources.
2015
Complete initial public offeringOtherBackground
Adesto pursued public-market financing while developing non-volatile-memory products for IoT and embedded systems.
Action taken
The company completed an IPO under the ticker IOTS. The shares entered the market at $5 per share, and the offering was reported as valued at $28.75 million.
Aftermath
Adesto operated as a publicly traded semiconductor company until its later acquisition by Dialog Semiconductor.
IPO offering value. $28.75 million (2015 initial public offering)
2010
Acquire conductive-bridging memory intellectual propertyStrategyBackground
Adesto sought to strengthen its position in emerging non-volatile-memory technologies for embedded applications.
Action taken
The company acquired CBRAM-related intellectual property and patents from Qimonda AG.
Aftermath
The transaction supported development of Adesto's CBRAM product family, whose first product entered production in 2011.
Recent events
Dialog Semiconductor completes acquisition of Adesto Technologies[4]
Reported:
Dialog Semiconductor announced that it had completed its acquisition of Adesto Technologies, expanding its Industrial IoT business and product portfolio.
Class action lawsuit filed against Adesto Technologies[3]
Reported:
Stockholder Peter Stein filed a class action complaint against Adesto Technologies, alleging violations of the Securities Exchange Act related to the proposed merger with Dialog Semiconductor and claiming that the preliminary proxy statement was materially incomplete and misleading.
Dialog announces agreement to acquire Adesto Technologies[5]
Reported:
Dialog announced that it had signed a definitive agreement to acquire all outstanding shares of Adesto for $12.55 per share in cash, representing an enterprise value of approximately $500 million. Completion was expected in the third quarter of 2020, subject to regulatory approval and customary closing conditions. The source was published on February 22, 2020.
Sources5 sources
- 1Adesto Technologiesen.wikipedia.org
- 2Dialog Semiconductor completes acquisition of Adesto Technologiesdialog-semiconductor.com
- 3Class action lawsuit filed against Adesto Technologieslawstreetmedia.com
- 4Dialog Semiconductor完成对Adesto Technologies的收购finanznachrichten.de
- 5Dialog宣布收购Adesto Technologiestech.sina.com.cn
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