R2 Semiconductor R&E drivers, CMOS4000 Rabbit Semiconductor microprocessors acquired by Digi International Inc. RAD networking ICs Radia Communications Inc. acquired by Texas Instruments Incorporated. Radiant Opto-Electronics Corporation backlight modules Radiata network communications acquired by Cisco Systems Radiocomp Inc. RF systems and components, IP cores Radiometrix Ltd radio modules Radiospire Networks Inc. wireless communications operation shut down on April 21st 2009. RadiSys controllers for embedded applications Raithlin Semiconductors LDPC decoders Ralink Technology Corp. wireless communications Please check Ralink Technology Corp. too! acquired by MediaTek Incorporation Rambus Inc. memories Ramtron memories Rancho Technology Inc. SCSI Rapid Bridge LLC LiquidCells acquired by Qualcomm Inc. Raqia Networks Inc. systems-on-a-chip, co-processors Raychem Circuit Protection surge protectors a unit of Tyco Electronics [now TE Connectivity] Raycom Co. Ltd. broadband communications Raydium Semiconductor Corporation Drivers, Buffers and TCONs for TFT/LCDs Raytheon for Semiconductor check Raytheon Microelectronics Spain for RF networking check Systemonic AG Raza Microelectronics Inc. [RMI®] processors acquired by NetLogic Microsystems Inc. RC Module RISC DSP processors and cores known as Module RCA acquired by Harris now part of Intersil RDA Microelectronics Inc. RF communications Realtek Semiconductor audio ICs, controllers, telecom ICs, networking ICs, video controller ICs Recticon Enterprises Inc. wafers Rectron diodes RedMere Technology Inc. wired communications Redpine Signals Inc. wireless communications, Wi-Fi® processors RedSwitch, Inc. programmable switches acquired by Agilent Technologies Inc. now Avago Technologies for LEDs and Dislays please check Avago Technologies Lighting too! Redux communications Reining International Ltd. acquired by ZMD Rendition graphic controllers Renesas Semiconductor Europe (Landshut) GmbH now Landshut Silicon Foundry [LFoundry] Renesas Technology Corp. now Renesas Electronics Corporation ReneSola [SOLAR ENERGY SOURCE CO. LTD.] monocrystalline wafers, multicrystalline wafers Resonext Communications Inc. wireless local area Networks, WLANs acquired by RF Micro Devices ReVolt Technology AS rechargeable zinc-air batteries Rexchip Electronics Corp. DRAMs RF Engines Ltd. [RFEL] IP & System-Level Cores RF Magic Inc. radio frequency integrated circuits acquired by Entropic Communications RF Micro Devices amplifiers, receivers, transceivers, modulators RF Monolithics Inc. [RFM] RF transceivers, RF transmitters, RF receivers, SAW filters, SAW resonators and oscillators. RF Nano Corporation carbon nanotube analog electronics technology RF Nitro Communications Inc. communications acquired by RF Micro Devices, Inc. RF Solutions Inc. communications acquired by Anadigics RFaxis Inc. RF communications RFDomus Inc. DSP & GPS cores acquired by GloNav Inc. RFEL [RF Engines Ltd.] IP & System-Level Cores RFID-DOMINANT Semiconductors Sdn Bhd. RFID tags RFWaves LTD. transceivers acquired by Vishay Intertechnology Inc. Richnex Technology Co. Ltd. WUSB (wireless USB), video decoders a subsidiary of Richtek Technology Corporation Richtek Technology Corporation voltage regulators, DC/DC converters, LED drivers Ricoh power ICs, real time clock ICs Rim Semiconductor communications Rise Technology x86 cpu solutions RISIN Technology Incorporation [RISINTECH] touch controllers Rising-Sun Co. [Shaoxing] diodes, rectifiers RISINTECH [RISIN Technology Incorporation] touch controllers Ritek OLED check RiTdisplay Corporation and RiTdisplay Corp. RMI® [Raza Microelectronics Inc.] processors acquired by NetLogic Microsystems Inc. Robert Bosch GmbH [Bosch] monocrystalline and polycrystalline silicon solar cells, MEMS (Micro Electro Mechanical System) sencors Rochester Electronics discontinued semiconductors Rock Semiconductor Co. Ltd. power management & multimedia signal processing Rockchip Electronics Co. Ltd. digital audio processors, digital tuning radio controllers, multimedia processors please check Fuzhou Rockchip Electronics Co. Ltd. too! RocketChips transceivers acquired by Xilinx Rocktech Displays Limited LCD display modules Rockwell now Conexant Systems Inc. Rogue Valley Microdevices MEMS foundry, silicon & solar wafers, PECVD & LPCVD processing, dielectric and conductive thin films Rohm Semiconductor Inc. transistors, diodes, FPGA, microcontrollers, memories, communication ICs, multimedia ICs, hybrid ICs, IrDA, regulators check ROHM UK or ROHM Electronics Division US or Rohm Semiconductor Inc. [Japan] too! Multilayer Ceramic Capacitor Product Lines acquired by Murata [Japan] Rolltronics Inc. RSI ID Technologies RFID Tags RTX Telecom A/S communications Rudolph Technologies, Inc. Runcom Technologies Ltd. communications Ruttonsha International Rectifier Ltd. diodes Direct Link to this page: Page updated on