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Crossbar (computer hardware manufacturer)

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Last Updated: 18 January 2022

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Crossbar (computer hardware manufacturer)

IndustrySemiconductors: memory
Founded2010
FounderGeorge Minassian, Hagop Nazarian, Wei Lu
HeadquartersSanta Clara, California
ProductsSemiconductor Memory Technology
Number of employees20+

Crossbar, Inc. Has announced Microsemi as first licensee for their Embedded Resistive RAM memory technology. ReRAM is one of several up and coming non-volatile memory technologies, and is one of more promising potential competitors to Intel's 3D XPoint memory. Crossbar has been developing their flavor of ReRAM for years is currently fabricating memory on 40nm process at SMIC. They now have new fab partner that can manufacture ReRAM on 1x nm process, and it is this capability that has attracted their first major customer. Microsemi has very broad product catalog, and they aren't ready to reveal what they plan to use ReRAM for. Embed ReRAM technology from Crossbar will enable Microsemi to add blocks of ReRAM to ASICs they are designing for production on advanced 1x nm process. Crossbar tout compatibility with standard CMOS fabrication process as one of key advantages of their ReRAM over new non-volatile memory technologies. Manufacturing ReRAM only requires adding few extra steps to back end of line wafer processing, and doesn't require radical changes to materials involve. Crossbar now has plans for commercial production of ReRAM 1x nm node and they claim that it can scale down to processes smaller than 10nm. This is expected to make Crossbar's ReRAM relatively inexpensive embed memory that won't impose serious constraints on rest of ASIC. By contrast, Everspin's magnetoresistive RAM, which is also currently being manufactured on 40nm processwill, be moving to GlobalFoundries 22nm FD-SOI this year but probably won't be available on high-performance FinFET process in near future. Embed flash memory has trouble scaling below about 40nm while retaining endurance typically requires of Embedded memories, and 3D NAND cannot be easily added to logic process. Like most new non-volatile memory technologies, isn't ready to compete head-on against DRAM or NAND flash memory. Its first path to commercialization is therefore through use as special-purpose embed memory, where its different tradeoffs between performance, endurance and density make it good fit for certain applications. Currently, Crossbar quotes performance as read latencies on order of 10ns, write latencies around 10s, write endurance in excess of 1M cycles. ReRAM is also accessible at byte level instead of using erase blocks like flash memory. Crossbar expects 10 years of data retention and has not observed with read or writing operations disturbing state of adjacent memory cells. Separately from new Microsemi partnership, Crossbar will also soon be demonstrating use of their Embedded ReRAM in in-memory compute architecture for AI. At Embedded Vision Summit next week, Crossbar will demonstrate object and facial recognition based on pre-trained FaceNet model store in ReRAM.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

History

Crossbar was found in 2010, George Minassian, ph. D, Hagop Nazarian, and Wei Lu. As part of University of Michigan Tech Transfer program, in 2010, Crossbar licensed RRAM Technology and is exclusive holder of resistive RAM patents from University of Michigan. Crossbar has filed 100 unique patents, with 30 already issue, to development, commercialization and Manufacturing of RRAM Technology. In August 2013, Crossbar emerged from stealth-mode and announced development of working Crossbar memory array at commercial fab. Crossbar's RRAM Technology is said to be able to deliver 20 faster write performance; 20 lower power consumption and 10 endurance at half die size, compared to NAND Flash memory. Since it is CMOS-compatible, it can easily integrated into existing fabs and processes without any special equipment or materials. Crossbar has received total of 25 million in funding from Artiman Ventures, Kleiner Perkins Caufield and Byers, Northern Light Venture Capital and Michigan Investment in New Technology Startups program.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

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