{{About||the advertising company|Taboola}} {{Infobox company | name = Tabula, Inc. | logo = Tabula logo.svg | caption = | type = Private | traded_as = | fate = | foundation = 2003<!-- {{Start date|YYYY|MM|DD}} --> | founder = [[Steve Teig]] | defunct = 2015<!-- {{End date|YYYY|MM|DD}} --> | location_city = [[Santa Clara, California]] | location_country = USA | locations = | area_served = | key_people = Dennis Segers (CEO), Steve Teig (CTO) | industry = Semiconductors | products = [[Three-dimensional integrated circuit]] (3-D [[FPGA]]) | production = | services = | revenue = | operating_income = | net_income = | aum = <!-- Only used with financial services companies --> | assets = | equity = | owner = | num_employees = >100 | parent = | divisions = | subsid = | homepage = {{URL|http://www.tabula.com}} | footnotes = | intl = }}{{More citations needed|date=July 2018}} '''Tabula, Inc.''', was an American fabless [[semiconductor]] company based in [[Santa Clara, California]].<ref name="WSJ first">{{cite news|title=Business is King Among 'Next Big Thing' Start-Ups|url=https://blogs.wsj.com/venturecapital/2012/09/27/business-is-king-among-next-big-thing-start-ups/?mod=google_news_blog|accessdate=1 October 2012|newspaper=Venture Capital Dispatch|date=27 September 2012}}</ref> Founded in 2003 by [[Steve Teig]] (ex-[[Chief technology officer|CTO]] of [[Cadence Design Systems|Cadence]]), it raised $215 million in [[venture capital financing|venture funding]]. The company designed and built [[three-dimensional integrated circuit|three dimensional]] field programmable gate arrays (3-D [[FPGA]]s) and ranked third on the Wall Street Journal's annual "Next Big Thing" list in 2012.<ref name="Bizjournal first">{{cite news|title=Here's 30 Bay Area startups pegged as 'Next Big Thing'|url=http://www.bizjournals.com/sanjose/blog/2012/09/bay-area-startups-top-next-big-thing.html|accessdate=1 October 2012|newspaper=Business Journal|date=26 September 2012|author=Cromwell Schubarth}}</ref>
== Products == Tabula developed [[ABAX]], a family of [[three-dimensional integrated circuit]]s. The company's [[field-programmable gate array]] (FPGA) chips were marketed as 3-D [[programmable logic device]]s or 3PLDs. The chips have 220-630 thousand 4-input [[lookup table]] (LUT) from the user point of view and are capable of working at 1.6 GHz physical clock speed. They also contain up to 1280 [[digital signal processing]] (DSP) blocks with 18x18 multipliers with pre-adder; up to 920 [[GPIO]] pins and 48 [[SerDes]] channels (up to 6.5 Gbit/s). ABAX are produced using 40 nm [[TSMC]] process and packaged in [[flip-chip]] packages with 1936 or 1156 pins.{{citation needed|date=April 2015}}
Internally, ABAX chips use high-frequency (1.6 GHz) reconfiguration between up to 8 config states, named ''folds'', to emulate a high number of FPGA-resources. If all 8 folds are used to get maximum LUT capacity, user visible clock speed will be 200 MHz; for 4 folds capacity is halved but frequency is doubled and so on.<ref name="mp_report_2010">{{cite web|url=http://www.tabula.com/news/M11_Tabula_Reprint.pdf|author=Tom R. Halfhill|date=2010-03-29|title=Tabula's Time Machine. Rapidly reconfigurable chips will challenge conventional FPGAs|publisher=[[Microprocessor Report]] #3 2010|url-status=dead|archiveurl=https://web.archive.org/web/20110410094902/http://www.tabula.com/news/M11_Tabula_Reprint.pdf|archivedate=2011-04-10}}</ref>
Volume price of ABAX chips was planned in 2012 to be in the range of 100-200 USD.<ref name="mp_report_2010"/>
Tabula also offered some network solutions, such as: 100 or 40 Gb Ethernet to [[Interlaken (networking)|Interlaken]] bridges; high-speed packet search engines; and multiport 10 gigabit Ethernet processors (which could be used as switch, router, or programmable [[Network interface controller|NIC]]).{{citation needed|date=April 2015}}
In February 2012, Tabula confirmed it would use 22-nm manufacturing process on [[Intel]]'s Factories.<ref>{{cite web|url=https://blogs.wsj.com/digits/2012/02/20/startup-tabula-turns-to-intel-as-manufacturing-partner/|title=Startup Tabula Turns to Intel As Manufacturing Partner|date=2012-02-20|author=Don Clark|publisher=WSJ Blogs}}</ref><ref>{{cite web|url=http://www.eetimes.com/electronics-news/4236648/Tabula-s-next-gen-FPGAs-to-use-Intel-s-22nm-process-featuring-3-D-tri-gate-transistors|author=Clive Maxfield|date=2012-02-21|title=Tabula's next-gen FPGAs to use Intel's 22nm process featuring 3-D tri-gate transistors|url-status=dead|archive-url=https://web.archive.org/web/20120224072025/http://www.eetimes.com/electronics-news/4236648/Tabula-s-next-gen-FPGAs-to-use-Intel-s-22nm-process-featuring-3-D-tri-gate-transistors|archive-date=2012-02-24|publisher=EETimes}}</ref> As of July 2013, only 5 companies were allowed to use Intel's manufacturing process: [[Achronix]]; Tabula; Netronome; [[Microsemi]]; and [[Altera]].<ref name="rogoway">Rogoway, Mike (2013-07-27). Intel dabbles in contract manufacturing, weighing tradeoffs. The Oregonian, July 27, 2013. Retrieved from http://www.oregonlive.com/silicon-forest/index.ssf/2013/07/intel_dabbles_in_contract_manu.html.</ref>
''Spacetime'' was a product of Tabula that possibly went beyond the abilities of FPGAs. The company said that Spacetime represented two spatial dimensions and one time dimension as a unified 3D framework. According to Tabula, this appeared to be a simplification that might deliver in production a new category of programmable devices (“3PLDs”) that are denser, faster, and more capable than FPGAs, yet still accompanied by software that automatically maps traditional RTL onto these novel fabrics.{{citation needed|date=October 2013}}
On 24 March 2015, Tabula officially shut down.<ref name="donato">Donato-Weinstein, Nathan (2015-02-11). Tabula to shut down; 120 jobs lost at fabless chip company. Silicon Valley Business Journal, 11 February 2015. Retrieved from https://www.bizjournals.com/sanjose/news/2015/02/11/tabula-to-shut-down-120-jobs-lost-at-fabless-chip.html.</ref>
== See also == * [[Altera]] * [[Xilinx]] * [[Achronix]]
== References == {{reflist}}
==External links== * {{webarchive |url=https://web.archive.org/web/20150324001331/http://www.tabula.com/ |date=24 March 2015 |title=Official website}} *[http://ecorner.stanford.edu/authorMaterialInfo.html?mid=3203 Steve Teig Lecture on Tabula and Entrepreneurship to Stanford University Students], 2013.10.23 *[https://www.youtube.com/watch?v=I_uvY-jcmvk Steve Teig Lecture on Spacetime 3D Programmable Integrated Circuits] (11 min), 2012.06.18 *[https://www.youtube.com/watch?v=3yCCTAXeQ1M Steve Teig Lecture on Spacetime 3D Programmable Integrated Circuits] (61 min), 2012.10.07
{{Programmable Logic}}
[[Category:Defunct semiconductor companies of the United States]] [[Category:Fabless semiconductor companies]] [[Category:Electronic design automation companies]] <!-- there are Spacetime tools; see mp-report 2010 --> [[Category:Reconfigurable computing]] [[Category:Manufacturing companies based in California]] [[Category:Technology companies based in the San Francisco Bay Area]] [[Category:Companies based in Santa Clara, California]] [[Category:Electronics companies established in 2003]] [[Category:Electronics companies disestablished in 2015]] [[Category:2003 establishments in California]] [[Category:2015 disestablishments in California]] [[Category:Defunct companies based in the San Francisco Bay Area]] [[Category:Defunct computer companies of the United States]] [[Category:Defunct computer hardware companies]] [[Category:Defunct computer companies based in California]]