- T-Head Semiconductor Co., Ltd. [Pingtouge Semiconductor] processors
• T-Head Semiconductor is a wholly-owned subsidiary of Alibaba Group
- T-Networks Inc. optical networks
- T-RAM Semiconductor Inc. T-RAM memories
- T.S.I. Microelectronics Corp. [TSI Microelectronics Corp.]
custom hybrids and special products
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- T.sqware edge processors
• acquired by GlobespanVirata Inc.
- T3G Technology Co., Ltd. TD-SCDMA 3G mobile communications
- Tabula Inc. programmable logic devices
- Tachyum Inc. processors
- TAECL [Thakur Angre Electronic Components Pvt. Ltd.] solid state relays
- Taegee Co. Ltd foundry, design services
- Taejin Technology Co., Ltd. [HTC] voltage regulator & stabilizer, converters & controllers
- Taesan LCD Co.
- Tagore Technology Pvt. Ltd. RF switches & amplifiers
- Tagsys RFIDs
- Tahoe RF Semiconductor Inc. RF receivers
• acquired by GigPeak Inc.
• GigPeak Inc. acquired by Integrated Device Technology, Inc. [IDT]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Taifatech Inc. wireless networking
- Tainergy Tech. Co., Ltd. Crystalline solar cells
- Taisic Materials Corp. [Shengxin Materials] 8-inch SiC wafers
- Taisil Electronic Materials Corporation [TEM] wafers
- Taitron Components transistors, TVS, diodes, LEDs
- Taiwan Asia Semiconductor Corporation [TASC] LED & silicon sensor chips, photo coupler SoC, short-wavelength infrared LED biosensing devices
- Taiwan Asia Semiconductor [TAS] LED & silicon sensor chips, photo coupler SoC, short-wavelength infrared LED biosensing devices
- Taiwan GPP Inc. [TGI] Diodes
- Taiwan IC Packaging Co., Ltd. IC packaging services
- Taiwan Memory Company [TMC] memories
- Taiwan Memory Technology memories
- Taiwan Microelectronics Technologies Inc. RF transistors, amplifiers, FM transceivers, GaAs MMIC Switch
- Taiwan Micropaq Corporation IC packaging
- Taiwan Oasis Technology Co. LEDs
- Taiwan Semiconductors [TSC] diodes
- Taiwan Semiconductor Manufacturing Company Limited [TSMC] foundry
- Taiwan Semiconductor Technology Corporation [TSTC]
• acquired by Amkor Technology, Inc.
- Taiwan Surface Mounting Technology Corp. [TSMT] LCD SMT production solutions provider
- Taiwan RedEye Biomedical Inc. optical hemoglobin sensors
- TAK'ASIC imaging processors
- Tallika Corp. analog/mixed-signal
• acquired by SMSC [Standard Microsystems Corporation] • now part of Microchip Technology Inc.
- Tamarack [TMI] ethernet chips
- Tamarisk [DRS Technologies Inc.] thermal imaging, infrared detectors
- Tandex Test Labs Obsolete Integrated Circuits & Transistors
- Tanzanite Silicon Solutions, Inc.
• acquired by Marvell Technology Group Ltd.
- Taoglas RF antennas & connectors
- TAOS [Texas Advanced Optoelectronic Solutions Inc.] converters, optocouplers, optical sensors
• acquired by austriamicrosystems AG
- Tarari Inc. communications, XML processors
• acquired by LSI Corporation • LSI Corporation acquired by Avago Technologies • Avago Technologies acquired by Broadcom Inc.
- TASC [Taiwan Asia Semiconductor Corporation] LED & silicon sensor chips, photo coupler SoC, short-wavelength infrared LED biosensing devices
- TATA/BP Solar photovoltaics, Monocrystalline Silicon
- Tata Electronics
- Tata Elxsi Ltd.
- Tata Semiconductor Assembly and Test Pvt Ltd. [TSAT semiconductor]
- Tau Networks Inc. communication
- Tavanza Inc. power amplifiers for communications
• acquired by Celeritek Inc.
- TChip Semiconductor GPS, communications
- TCI [True Circuits Inc.] Phase-Locked Loop (PLL) and Delay-Locked Loop (DLL) hard macros
- TDC [Toppan Technical Design Center Co., Ltd. ] LSI design and turnkey service
- TDI TransDimension Inc.] USB, Bluetooth
- TDI Transitor Devices Power Transistors
- TDK Semiconductors communications
• now Teridian Semiconductor Corp. smart meter chips • acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- TDK Corp. capacitors, coils, sensors
- TE Connectivity electronic components, connectors & network solutions
• Transpower magnetics business acquired by BEL Fuse Inc.
• circuit protection business unit acquired by Littlefuse Inc.
- Teamasia Lakhi Semiconductors Limited analog semiconductors
- TEC memories, asics
- Teccor Electronics TRIACs, rectifiers
• acquired by Littelfuse Inc.
- Tech Vulcan IC design services
• acquired by Synapse Design
- TechnoFusion GmbH
• acquired by International Rectifier Corporation • acquired by Infineon Technologies AG
- Techsoft ASICs, communications
- Techtronic audio amplifiers & drivers
- Techwell Inc. security surveillance ics
• acquired by Intersil Corp.
- Tecstar Inc. MOCVD epiwafer production
• Solar Division acquired by Emcore
- Tejas Networks broadband networks [a subsidiary of TATA]
- Tekcore LED chips
- Tekion Inc. chip-based micro fuel cells
- Tekmos FPGA, asics
- Teknovus Inc. communications
• acquired by Broadcom Limited
- Tektronix Component Solutions
- TEL [Tokyo Electron Limited] semiconductors, ICs, flat panel displays, photovoltaic cells
- TelASIC Communications communications
- Telechips processors, mobile TV, GPS & multimedia ICs
- Teledyne e2v processors, data converters
- Teledyne Technologies Incorporated electronics components
- Telcom Devices Corp. fiberoptics
• acquired by Anadigics
- TelCom Semiconductor telecom circuits
• acquired by Microchip
- TELECOM-STV Co., Ltd. wafers
- TeleCruz TV chips
- TELEFUNKEN Semiconductors AC to DC convertors, switching regulators, Gate & LED drivers, LVDS, ASIC services
• please check TELEFUNKEN Semiconductors too!
- Teledyne Solid State Relays
- Telefunken/Vishay diodes, transistors, opto
• check Vishay Intertechnology Inc. too!
- Telegent Systems Inc. TV receivers for mobile applications
• acquired by Spreadtrum Communications (Shanghai) Co., Ltd.
• Spreadtrum, a subsidiary of Tsinghua Unigroup called UNISOC TECHNOLOGIES INC.
- Telegesis Ltd ZigBee modules
• acquired by Silicon Laboratories Inc.
- Telencomm
• now Zeevo system on chip
- Telink Semiconductor (Shanghai) Co. Inc. wireless communication (Internet of Things (IoT)
- Telit Communications S.p.A. wireless communication
- TELOPS telecommunications, optoelectronics
- Teltone Technology DTMF ICs
• acquired by Clare • now IXYS Corp.
• IXYS Corp. acquired by Littlefuse Inc.
- TEM [Taisil Electronic Materials Corporation] wafers
- TEMIC
• Temic Electronics for Automotive • for transistors, diodes & opto check Vishay Intertechnology Inc. • else check Atmel Wireless & Microcontrollers • or Atmel
• Atmel acquired by Microchip Technology Inc.
- Temex Components RF, microwave
- TenDegrees Inc. Indoor Navigation
- Tensilica, Inc. microprocessors
- Tensleep memories, DSP
- Tensorcom wireless communications
- TensorIoT Inc. IoT and AI platforms
- Tenstorrent Inc. AI technologies
- tenx technology, inc. controllers, memories
- Terabee distance sensors
- TeraCross Ltd. communications
- Teradici Corporation image processing
- Teradian Co. optical transceiver
- Terahertz Photonics Ltd. optical thin film coating
- Teralogic, Inc. semiconductors for digital tv applications
- Teramics LLC mmWave frequency band communication
- Teramount Ltd. optics to silicon
- TeraNetics Inc. mixed-signal ICs, communications
• acquired by PLX Technology Inc.
- TeraOp Displays now bTendo
- TeraOptix optical telecommunications
- Teraphysics Corporation mm-wave Traveling Wave Tube
- TeraSilIC Co., Ltd. mmWave radar sensors
- Terasquare Ltd.
• acquired by GigOptix Inc., now GigPeak Inc.
• GigPeak Inc. acquired by Integrated Device Technology, Inc. [IDT]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Teravicta Technologies, Inc. RF MEMS switches
- Terayon communication systems
- Terepac Corporation printed silicon electronics
- Teridian Semiconductor Corp. smart meter chips
• acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- TerraSolar Inc photovoltaics, Amorphous Silicon Thin Film
- Tessera Technologies Inc. packaging solutions, optical lenses on semiconductor wafers
- Test Motors sensors
• acquired by ADI [Analog Devices Inc.]
- TetraVue Inc. 4D Flash LiDAR sensors
- Texas Advanced Optoelectronic Solutions Inc. [TAOS] converters, optocouplers, optical sensors
• acquired by austriamicrosystems AG
- Texas Instruments Semiconductors [TI] DSP, wireless communications, mixed signal & analog, networking ICs, microcontrollers/processors, PLD, memories
• LCD IC driver unit acquired by Oki Semiconductor Co., Ltd. • now
LAPIS Semiconductor Co. Ltd
• a member of Rohm Semiconductor Inc.
• DSL CPE business unit acquired by Infineon Technologies AG
• cable modem product line acquired by Intel Corp.
- Texas Optoelectronics Inc. [TOI] detectors, LEDs, displays
- Texas Photonics Inc. opto-electronics, LEDs
- Tezzaron Semiconductors 3D & 2.5D memory, memory subsystems, and memory-intensive SOCs
- TGE [Top Green Energy Technologies Inc.] mono- & multicrystalline solar cells, photovoltaics
- TGI [Taiwan GPP Inc.] Diodes
- Thakur Angre Electronic Components Pvt. Ltd. [TAECL] solid state relays
- Thaler Corporation voltage references, analog-digital converters, pressure sensors
• acquired by Cirrus Logic Inc.
- Thales Defense & Security, Inc. [InterSense Inc.] motion tracking products
• please check Thales Groupe too!
- THAT audio
- The Things Industries LoRaWAN solutions
- The Western Design Center Inc. [WDC] microprocessors, microcontrollers & microperipherals
- Thermo Centrovision photodiodes
- Thermometrics Corporation precision temperature sensors, direct-to-digital temperature sensors
- Theseus Logic Inc. microprocessors
- Thesys video ICs, transmit/receive ICs, PLLs, USB ICs
• check Melexis too!
- Thin Film Electronics ASA organic, ferroelectric, nonvolatile memory technology, low-voltage display driver
- THine Electronics Inc. MCU and mixed signal VLSI
- Thinci Inc. AI processors
• changed its name to Blaize Inc.
- Thomson-CSFsemiconductors
• acquired by Atmel Grenoble • check Atmel too!
• Atmel acquired by Microchip Technology Inc.
- Thomson Technology Power & Control
- ThreeFive Photonics fiber optic communication networks
- TI [Texas Instruments Semiconductors] DSP, wireless communications, mixed signal & analog, networking ICs, microcontrollers/processors, PLD, memories
• LCD IC driver unit acquired by Oki Semiconductor Co., Ltd. • now
LAPIS Semiconductor Co. Ltd
• a member of Rohm Semiconductor Inc.
• DSL CPE business unit acquired by Infineon Technologies AG
• cable modem product line acquired by Intel Corp.
- Tianjin Jinneng Solar Cell Co., Ltd. photovoltaics, Multicrystalline Silicon, Amorphous Silicon Thin Film
- Tianjin Tianxing Electronic LEDs
- Tianjin Zhong-Huan Semiconductor Corp. diodes
- Tianma Microelectronics Co., Ltd. LCDs, AMOLED displays
• please check TIANMA (Shenzhen) too!
- Tianyi Optoelectronics Technology Co., Ltd. (Guangzhou) LED displays
- TICP [Taiwan IC Packaging Co., Ltd.] IC packaging services
- Tiempo SA Microcontroller, Microprocessor & Crypto-processor Core IPs
- Tier Logic Inc. ceased operation on Friday July 16, 2010.
- TigerJet Network Inc. communications
- Tilera Corp. programmable ASICs, processors
• acquired by EZchip Technologies
• EZchip Technologies acquired by Mellanox Technologies Inc.
- Time Domain Corporation communications
- Timestrip UK Ltd time and temperature indicators
- Tioga Technologies Ltd. communications
• acquired by STMicroelectronics
- Titan IC communications
• acquired by Mellanox Technologies Inc.
• Mellanox Technologies Inc. acquired by NVidia
- TITAN Lighting Co., Ltd. [a subsidiary of TONS Lightology Inc.] LED lighting
- TjNET ISDN controllers
- TLI Inc. display technologies
- TM Technology Inc. LED drivers, flash controllers, audio processors, DRAMs, SRAMs, battery protectors, LDOs
- TMC [Taiwan Memory Company] memories
- TMC [Tongfang Microelectronics Company] smart card ICs, interface chips
- TMP sensors
• acquired by Kymata • now C2V
- TMY Technology Inc. [TMYTEK] active and passive mmWave components
- TMYTEK [TMY Technology Inc.] active and passive mmWave components
- Tobii Technology AB eye tracker
- TOI [Texas Optoelectronics Inc.] detectors, LEDs, displays
- Toko (USA) SAW filters, PWM controllers, MOSFET drivers, audio, communications, converters, regulators, line drivers
• or Toko [Japan] • or Toko [Taiwan] • or Toko [Hong Kong] • or Toko [Europe] too!
- Tokyo Electron Limited [TEL] semiconductors, ICs, flat panel displays, photovoltaic cells
- Tomato LSI Inc. [TLSI] LCD Driver IC
- Tong Hsing Electronic Industries Limited 3D Wafer Level Chip Scale Packaging
- Tongfang Microelectronics Company [TMC] smart card ICs, interface chips
- Tongfu Microelectronics Co., Ltd. IC test services
- Tongwei Solar Co., Ltd. [TW Solar] monocrystalline & multicrystalline silicon solar cells
- TONS Lightology Inc. LED lighting
- Top Green Energy Technologies Inc. [TGE] mono- & multicrystalline solar cells, photovoltaics
- Top-Vu Technology GaAs microsensors
- Topcell Solar International Co., Ltd. [TSi] monocrystalline & multicrystalline solar cells
- Topco TSC [Chongyue Technology Co., Ltd.] SiC/AIN epitaxial wafers, synthetic quartz wafers
- Toposens GmbH 3D ultrasonic sensing technologies
- Toppan Printing Co., Ltd. TFT LCD panels
- Toppan Technical Design Center Co., Ltd. [TDC] LSI design and turnkey service
- Toppoly Optoelectronics Corp. [TPO] OLEDs, LTPS displays
- TOPS Systems processors
- Topsil wafers
- Topro Technology Inc. LCD controllers, AV remote controllers, input controllers
- Torex voltage detectors, regulators, DC/DC converters, MOS FETs, zener diodes
- Toshiba multimedia ICs, networking ICs, CMOS logic, microcontrollers, memories, IGBTs, GTOs, GaAs FETs, PLL, transistors.
• check Toshiba Electronic Components • or Toshiba Semiconductors [Japan] too! • DRAM business unit acquired by Micron Technology
• Sensor Business Unit acquired by Sony Semiconductor
- Toshiba Matsushita Display Technology Co., Ltd. LCDs , OLEDs
- Toshiba Memory memories
• rebranded to Kioxia Corporation
- Totum Labs satellite tracker-on-a-chip
- Touchingtek capacitive touch panels
- TouchNetix Limited touchscreen controller ICs
- Touchstone Semiconductor Inc. amplifiers, comparators, voltage references
• acquired by Silicon Laboratories Inc.
- Toumaz Technology Ltd. RF CMOS receivers, sensors
- Toward photo ralays, reed relays & switches, photo DMOS relays
- Tower Semiconductors Flash memories, CMOS image sensor
• acquired by Intel Corporation
- TowerJazz Semiconductors Flash memories, CMOS image sensor
• acquired by Intel Corporation
- Toyoda Gosei optoelectronics
• check
TOYODA GOSEI too!
- Toyolite Technologies Corp. LEDs
- Toyota Semiconductors DC/DC converters & controllers
- TPO [Toppoly Optoelectronics Corp.] OLEDs, LTPS displays
- TPACK A/S communications
• acquired by AppliedMicro
- TPK Touch Solutions Inc. displays, touch panels
- TRAC signal processing
- Trameto Limited energy harvesting PMICs
- TransChip Israel Ltd. CMOS image sensors
• acquired by Samsung
- Transcom Inc. GaAs FETs,MMICs, MIS Chip Capacitors
- TransDimension Inc. [TDI] USB, Bluetooth
- TranSiC power transistors
• acquired by Fairchild
• Fairchild Semiconductor International Inc. acquired by ON Semiconductor
- Transilica systems-on-chips
• acquired by Microtune
- Translating World Co., Ltd. [TWCO LED] LEDs & LED solutions
- Translogic Technology Inc.
- Transmeta Corporation microprocessors
• acquired by Novafora Inc.
- Transparent Networks Inc. MEMS and micro-optoelectromechanical systems (MOEMS)
- Transphorm Inc. power conversion, power ICs, GaN-based power semiconductors
- TranSwitch Corp. networking ICs
- Transys Electronics logic, analog, srams, transistors, MOSfets, diodes, TVS
- Trebia Networks Inc. storage networks
- Trecenti Technologies
- TrendChip Technologies Corp. (Taiwan) communications
• check TrendChip Technologies Corp. (China) too! • acquired by Ralink Technology Corp.
- Tri-Vision TV security
- TriAccess Technologies Inc. 75 Ohm RFIC amplifiers & semiconductors
• acquired by TriQuint Semiconductor Inc.
- Triad Semiconductor ASICs
- Trident Microsystems video processing ICs
• DTV business line acquired by Sigma Designs Inc.
• Map-X audio product line acquired by Cambridge Silicon Radio [CSR] • CSR mobile business unit acquired by Samsung Electronics Co., Ltd.
- Tridonic GmbH & Co KG LED and OLED light sources and LED Drivers
- TriEye Technologies Ltd. SWIR short wave infra-red solutions
- Trigence Semiconductor Inc. digital audio ICs
- Trilinear Technologies Inc. Intellectual Property (IP) Core provider
- Trimble GPS
- Trina Solar Ltd. Monocrystalline Solar Modules
- TRINAMIC Motion Control motor and motion drivers & controllers
- trinamiX GmbH (owned by BASF) IR detectors, NIR spectroscopy, 3D imaging
- Tripath digital power processing
- TriQuint Semiconductor Inc. RF, digital & mixed signal ICs, wireless communication
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
• optoelectronics unit acquired by CyOptics
- Triscend Corp. systems-on-chip
• acquired by Xilinx Inc.
- Tritheim
• now Infineer communications
- Triton Network Systems communications
- TRONIC'S Microsystems SA MEMS
• now TRONIC'S Microsystems SA
- Tronics Microsystems MEMS design & manufacturing
• acquired by TDK's wholly-owned subsidiary Epcos AG Epcos
• acquired by TDK
- Tropian communications
- TrueLight Corporation VCSELs, GaAs PIN and InGaAs PIN photodiodes
- Truly Electronics Manufaturing Limited
- Truly Opto-Electronics Ltd. OLED- & PMOLED-displays, capacitive touch panels
- Truly Semiconductors Limited OLED- & PMOLED-displays, capacitive touch panels
- Trumpion Microelectronics Inc. controllers
- True Circuits Inc. [TCI] Phase-Locked Loop (PLL) and Delay-Locked Loop (DLL) hard macros
- Truesense Imaging Inc. image sensors
• acquired by ON Semiconductor Corporation
- TrueSpan Inc. digital video broadcast receivers
- Trusted Positioning
• acquired by InvenSense Inc.
• InvenSense Inc. acquired by TDK
- TRW GaAs telecom products
- TSAT semiconductor [Tata Semiconductor Assembly and Test Pvt Ltd.]
- TSEC Corporation monocrystalline modules
- TSi [Topcell Solar International Co., Ltd. ] monocrystalline & multicrystalline solar cells
- TSI Microelectronics Corp. [T.S.I. Microelectronics Corp.] custom hybrids and special products
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- TSI Semiconductors foundry
• acquired by Bosch [Robert Bosch GmbH]
- Tsinghua Unigroup Ltd. semiconductors, electronics components
- TSMC [Taiwan Semiconductor Manufacturing Company Limited] foundry
- TSMC Solid State Lighting Ltd. [SSL] LEDs
- TSMT [Taiwan Surface Mounting Technology Corp.] LCD SMT production solutions provider
- TT Electronics plc sensors, semiconductors, optoelectronic components and power microcircuits, connectors
• Transportation, Sensing & Control (TSC) division acquired by KYOCERA AVX Components Corporation
- TTPCom Ltd. [TTP Communications Plc.] wireless communications IP cores
- Tundra Semiconductor Corp. memory controller, VME & PCI interfaces
• acquired by IDT [Integrated Device Technology, Inc]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Turbo IC memories
- TVI Electronics controllers
- Tvia graphics and video accelerators
- TW Solar [Tongwei Solar Co., Ltd. ] monocrystalline & multicrystalline silicon solar cells
- TWCO LED [Translating World Co., Ltd. ] LEDs & LED solutions
- Twin Creeks Technologies crystalline wafers
- Twin Hill Corp. LEDs
- TwinMOS Technologies Inc. memories
- TXMission Inc. satellit communications
• acquired by CesiumAstro, Inc.
- Tyco Electronics [now TE Connectivity]
• Tyco Power Systems acquired by Lineage Power Corporation now GE Power Electronics Inc.
• Tyco Electronics [now TE Connectivity] Wireless Systems acquired by Harris Corporation
- Tyntek Corporation LEDs, GaAs epitaxial wafers
- TZero Technologies Inc. communications, wireless USB (WUSB)
• operation shut down during February 2009
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