- 4DS Inc. non-volatile memories
- ABLIC Inc. serial EEPROMs
- Accelerix
• acquired by Mosaid
- Accutek Microcircuit Corporation
- Actrans System Inc.
• acquired by Silicon Storage Technology • acquired by Microchip Technology Inc.
- Adesto Technologies Corporation communications, memories
BR>• acquired by Dialog Semiconductor Plc
• Dialog Semiconductor Plc acquired by Renesas Electronics Corporation
- Advanced Micro Devices [AMD]
• now Spansion
- AENEON
- Aeroflex [UTMC]
- Alliance Memory Inc. SRAMs
- Alliance Semiconductor Corp. DRAM, SRAM, flash, multimedia
• Fast Async Memory product line acquired by Alliance Memory Inc.
• Synchronous SRAM product line acquired by ISSI [Integrated Silicon Solution Inc.]
• Systems Solutions Business acquired by Tundra Semiconductor now IDT [Integrated Device Technology, Inc]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- AMD [Advanced Micro Devices]
• now Spansion
- American Microsemiconductor [AMS]
- AMIC Technology Inc.
- AMS [American Microsemiconductor]
- Anobit Technologies Ltd.
- AP Memory Technology Co., Ltd. Mobile DRAMs & PSRAMs
- APTA Group, Inc.
- ARK Pioneer Microelectronics [Shenzhen]
- ASI [Austin Semiconductor Inc.] memories
• now a part of Micross Components
- Atmel
• Atmel acquired by Microchip Technology Inc.
- Atmos
- Austin Semiconductor Inc. [ASI] memories
• now a part of Micross Components
- Avalanche Technology magnetic memories
- Axon Programmable Metallization Cell memory (PMCm)
- Azalea Microelectronics Corp.
- BeSang Inc.
- Blueshift Memory Ltd. memories
- California Memory Technologies Inc. MRAM memory solutions, memory controllers
- Catalyst Semiconductor
• acquired by ON Semiconductor
- Celis Semiconductor Ferroelectric Memories
- Century Microelectronics
- Cerfe Labs Inc. CeRAMs
- ChangXin Memory Technologies Inc. [CXMT] DRAMs
- Chingis [Chingis Technology Corporation] P-channel Flash memories
• acquired by Integrated Silicon Solutions [ISSI]
• August 2015 acquired by MediaTek Incorporation
- Chip Memory Technology [CMT] LogicFlash
- CMT [Chip Memory Technology] LogicFlash
- CNE [Crocus Nano Electronics LLC] wafers based on Thermally Assisted Switching ™ (TAS) MRAM technology
- Crocus Nano Electronics LLC [CNE] wafers based on Thermally Assisted Switching ™ (TAS) MRAM technology
- Crocus Technology
- Crossbar Inc. resistive RAMs (RRAM)
- Crucial Technology
• check Micron Technology Inc. too!
- Cubic Memory Inc.
• acquired by Vertical Circuits Inc. [VCI]
- CXMT [ChangXin Memory Technologies Inc.] DRAMs
- Cypress Semiconductor Corp.
- Dallas
• acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- Diablo Technologies Inc.
- Dense-Pac Microsystems
• now DPAC Technologies Corp.
- Deutron Electronics Corp. memories, DRAMs
- DPAC Technologies Corp.
- EDI memories
• now White Electronic Designs Corporation • acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- Elite Semiconductor Memory Technology Inc.[ESMT]
- Elpida Memory Inc.
• acquired by Micron Technology Inc.
- Emerging Memory & Logic Solutions Inc. [EMLSI] SRAMs
- EMLSI [Emerging Memory & Logic Solutions Inc.] SRAMs
- Enhanced Memory Systems
- Eon Silicon Solution Inc.
• please checkEon Silicon Solution Inc. too!
- Epson Electronics
• check Epson Electronics [Europe] too!
- ESMT [Elite Semiconductor Memory Technology Inc.]
- Etron Technology
- eVaderis NVRAM IP solutions
- Fadu Technology Inc. Flash memories, SSD controllers
- Fairchild
• Fairchild Semiconductor International Inc. acquired by ON Semiconductor
- Ferroelectric Memory Company [FMC] embedded nonvolatile memory (eNVM)
- FMC [Ferroelectric Memory Company] embedded nonvolatile memory (eNVM)
- FMD [Fremont Micro Devices (USA), Inc.] non-volatile memories, power management
- Fremont Micro Devices (USA), Inc. [FMD] non-volatile memories, power management
- Fujian Jinhua Integrated Circuit Co., Ltd. [JHICC] wafers, memories
- Fujitsu
• or Fujitsu too! • for Flash Memories check Spansion
• LSI business units transferred to Socionext Inc.
- G-Link Technology
- GENUSION Inc. memories, SRAMs
- Giantec Semiconductor Inc. EEPROMs & smart cards
- GigaDevice Semiconductor Inc. DRAMs, Flash memories
- Greenliant Systems Inc. flash memories, NAND controllers, NAND drives
- GSI Technology, Inc.
- Hitachi
• acquired by Renesas Technology Corp.
• now Renesas Electronics Corporation
• for DRAMs check Elpida Memory Inc.
• acquired by Micron Technology Inc.
- HMP [Hybrid Memory Products]
• acquired by Mosaic • now APTA Group, Inc.
- Holtek Microelectronics
- Hualon [HMC]
- Hynix Semiconductor Inc.
• now SK Hynix Inc.
- I'M [Intelligent Memory Ltd.] DRAMs
- Infineon Technologies
• DRAM business unit acquired by Qimonda AG
- ICSI [Integrated Cicuit Solutions Inc]
- Ideaflash Srl flash memories
• acquired by SK Hynix Inc.
- IDT [Integrated Device Technology]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- IM Flash Technologies, LLC. NAND Flash memories
- Infineon Technologies AG
• DRAM business unit acquired by Qimonda AG
- Infinite Technology Corporation
- Innodisk Corporation industrial embedded flash and DRAM storage products
- Innotron Memory DRAMs
- Innovative Silicon Inc. Z-RAM memories
- Inotera Memories Inc. memories
• acquired by Micron Technology Inc.
- Integrated Cicuit Solutions Inc [ICSI]
- Integrated Device Technology [IDT]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Integrated Silicon Solutions [ISSI]
• EEPROMs & smart cards migrated to Giantec Semiconductor Inc.
- Intel Corporation processors, flash, microcontrollers, networking
• Optical Platform Division acquired by Emcore Corporation
• Intel solar unit now SpectraWatt Inc.
• RFID Division acquired by Impinj Inc.
• smartphone modem business acquired by Apple Inc.
• Home Gateway Platform Division assets acquired by MaxLinear Corporation
• NAND flash business unit acquired by SK Hynix Inc.
- Intelligent Memory Ltd. [I'M] DRAMs
- Intermolecular Inc. [member of Merck Group] memory related products
- InterWorks
- Irvine Sensors
- ISSI [Integrated Silicon Solutions]
• EEPROMs & smart cards migrated to Giantec Semiconductor Inc.
- IXYS Corp.
• acquired by Littlefuse Inc.
- Kentron Technologies, Inc.
- Kilopass Technology Inc. non-volatile memories
BR>• acquired by Synopsys, Inc.
- Kioxia Corporation memories
- knitter-electronic
- LAPIS Semiconductor Co., Ltd.
• a member of Rohm Semiconductor Inc.
- Lexar NAND Flash memories and memory modules
• acquired by
Shenzhen Longsys Electronics Co., Ltd. [Longsys]
- Longsys [Shenzhen Longsys Electronics Co., Ltd. ] NAND Flash memories and memory modules
- Lyontek Incorporation
- Matrix Semiconductor Inc. OTP memories
- MeiYa Technology Corp. DRAMs
- MeiYa Technology Corporation Memories
• a subsidiary of Nanya Technology
- Memoir Systems memory technologies
- MEMTECH memory based IP cores
- MemVerge, Inc. memory related products
- Microchip Technology Inc. microcontrollers, serial EEPROM
• flash memories, NAND controllers, NAND drives acquired by Greenliant Systems Inc.
- Micromem Technologies Inc. MRAM memories
- Micron Technology
- Mobile Semiconductor SRAMs
- Monolithic Memories Inc. [MMI]
• acquired by Advanced Micro Devices [AMD]
• spun off as Vantis
• acquired by Lattice Semiconductor
- Mosaic
• acquired by APTA Group, Inc.
- Mosaid
- Mosel Vitelic
- MoSys
• acquired by Synopsys Inc.
- Mushkin Enhanced Memory Systems
• check Ramtron too!
- NanoAmp Solutions
- Nanochip Inc. MEMS memory chips
- Nantero Inc. NRAM memories
- Nanya Technology
- NEC Electronics
• merged with Renesas Technology Corp. • now Renesas Electronics Corporation
- NeuroBlade, Ltd. XRAM™ technologies
- NexFlash Technologies, Inc.
• acuired by Winbond Electronics Corp.
- Novocell Semiconductor Inc. OTP memories
• acquired by Silicon Storage Technology [SST]
- NSCore Inc. PermSRAMTM
- Numonyx B.V. memories
• acquired by Micron Technology Inc.
- O2IC Co., Ltd. McRam memories
- Oki Semiconductor Co., Ltd.
• now
LAPIS Semiconductor Co. Ltd
• acquired by Rohm Semiconductor Inc.
- Ovonyx Inc. phase-change semiconductor memory technology
- Performance Semi
- PMC [Programmable Microelectronics Corporation]
- Powerchip Semiconductor Manufacturing Corp. [PSMC]
• DRAM business line acquired by Elpida Memory Inc. • acquired by Micron Technology Inc.
- Programmable Microelectronics Corporation [PMC] EEPROMs, Flash memories
- ProMOS Technologies Inc.
- PSMC [Powerchip Semiconductor Manufacturing Corp.]
• DRAM business line acquired by Elpida Memory Inc. • acquired by Micron Technology Inc.
- Pyramid Semiconductor Corporation
- Qimonda AG
- RAAAM Technologies high-density on-chip SRAMs
- Rambus
- Ramtron memories
• acquired by Cypress Semiconductor Corp.
- Rangduru Inc. One-Time Programmable Non-Volatile Memory chips & IPs
- RCD [RedCat Devices srl.] radiation hard SRAMs
- RedCat Devices srl. [RCD] radiation hard SRAMs
- Renesas Technology Corp.
• now Renesas Electronics Corporation
- Rexchip Electronics Corp. DRAMs
• acquired by Micron Technology Inc.
- Rohm Semiconductor Inc.
• or Rohm Semiconductor Inc. [Japan] too!
- Saifun Semiconductor Ltd. NROM memories
- Samsung
• check Samsung Electro-Mechanics • or Samsung Korea • or Samsung Electro-Mechanics Online
- Sanyo Semiconductor
• acquired by ON Semiconductor
- Seiko SII
• in September 2015 spun off from Seiko Holdings Group and named SII Semiconductor Corporation. In January 2018 named ABLIC Inc.
- SGS-Thomson Microelectronics
• now STMicroelectronics
- Shanghai Hua Hong NEC Electronics Co., Ltd.
- Shenzhen Longsys Electronics Co., Ltd. [Longsys] NAND Flash memories and memory modules
- Shenzhen Ramsun Microelectronics Co., Ltd. XRAM™
- SiDense Corp. nonvolatile memories, OTPs
• acquired by Synopsys, Inc.
- SII Semiconductor Corp.
• in September 2015 spun off from Seiko Holdings Group and named SII Semiconductor Corporation. In January 2018 named ABLIC Inc.
- Silicon Magic
- Silicon Magnetic Systems MRAMs
- Silicon Storage Technology [SST]
• acquired by Microchip Technology Inc.
- Silicon7
- SiliconTech
• now SimpleTech
- SimpleTech
- Simtek NVRAM
• acquired by Cypress Semiconductor Corp.
- SK Hynix Inc. memories
- Soft Device
- Sony Semiconductor
- Sony Japan
- Spansion
- Spin Memory Inc. orthogonal spin transfer MRAMs
- Spin Transfer Technologies Inc. [STT] orthogonal spin transfer MRAMs
• changed name to Spin Memory Inc.
- SST
• acquired by Microchip Technology Inc.
- STMicroelectronics
- StoreDot Ltd. nanodot technology for batteries, displays, flash memories, image sensors
- Spin Transfer Technologies Inc. [STT] orthogonal spin transfer MRAMs
• changed name to Spin Memory Inc.
- sureCore Ltd embedded memory process developer
- Symetrix Corporation FeRAM, CeRam IP technologies
- T-RAM Semiconductor Inc. T-RAM memories
- Taiwan Memory Company [TMC]
- Taiwan Memory Technology
- TEC
- Temic
• acquired by Atmel
• Atmel acquired by Microchip Technology Inc.
- Tensleep
- tenx technology, inc.
- Tezzaron Semiconductors 3D & 2.5D memory, memory subsystems, and memory-intensive SOCs
- Thin Film Electronics ASA organic, ferroelectric, nonvolatile memory technology
- TMC [Taiwan Memory Company]
- Toshiba
• check Toshiba Electronic Components • or Toshiba Semiconductors [Japan] too! • DRAM business unit acquired by Micron Technology
- Toshiba Memory memories
• rebranded to Kioxia Corporation
- Tower Semiconductors
• now TowerJazz Semiconductors
- Turbo IC
- TwinMOS Technologies Inc.
- U-Chip Technology Corp.
- Union Semiconductor Technology Corporation
- Unisantis Electronics dynamic flash memories (DFM)
- United Technologies Microelectronics [UTMC]
- Unity Semiconductor Corp. non-volatile resistive RAM (RRAM)
- Utron Taiwan
- Vanguard International Semiconductor Corp.
• check Vanguard Micro [UK] too!
- VCI [Vertical Circuits Inc.] memories
- Vertical Circuits Inc. [VCI] memories
- Virtium Technology Inc.
- VIS [Vanguard]
- Weebit Nano Ltd. SiOx ReRAMs
• acquired by Radar Iron Ltd.
- Weisheng Electronics Taiwan
- White Electronic Designs Corporation
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- White Microelectronics
• check Bowmar too!
- WhiteOak Semiconductors
• now Infineon Technologies - Richmond
- Winbond
- Yangtze Memory Technologies Co., Ltd. [YMTC] DRAMs
- YMTC [Yangtze Memory Technologies Co., Ltd. ] DRAMs
- Zentel Japan Corporation DRAMs
- Zentrum Mikroelectronics Dresden [ZMD]
• acquired by IDT [Integrated Device Technology, Inc.]
- Zeno Semiconductor memory and logic technologies
- Zettacore Inc. molecular memory arrays
- ZMOS Technology Inc. memories
- ZMD [Zentrum Mikroelectronics Dresden]
• acquired by IDT [Integrated Device Technology, Inc.]
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