Chip Directory

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IC manufacturers with a name starting with 'R'

Click on the first letter of the IC manufacturer you're looking for:
0..9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Rabbit Semiconductor
2932 Spafford Street
Davis, CA 95616
tel: +1-530-757-8400
fax: +1-530-757-8402
Fabless semiconductor company specializing in microprocessors.It is a division of Z-World, a supplier of small microprocessorbased controllers. Member of the Fabless Semiconductor Association.
They make an MCU based on the HD64180 and Z180, but 3 times fasterand with a lot of integrated IO. The development kit only costs $99(Info dated 200001).

RadiSys Corporation
5445 NE Dawson Creek Drive
Hillsboro, OR 97124
tel: +1-800-950-0044 (USA and Canada)
tel: +1-503-615-1100
fax: +1-503-615-1150
tel: +1-800-256-5917 - Product Service Center
tel: +1-617-235-6824 - DSP Product Technical Support
Worldwide Offices:
tel: +81-3-5496-7891 Japan
tel: +44-1793-411200 UK
tel: +31-40-653-644 Netherlands
tel: +49-811-95817 Germany General Specification, price and availability questions Technical support Hardware service

R300EX memory/bus controller for Intel386 EX
R380EX single chip, ISAbus system controller for Intel386 EX
R400EX single chip ISAbus/Local bus controller for the Intel DX4.

RadiSys Corporation (NASDAQ:RSYS) designs and manufactures computers thatEquipment Manufacturersembed into their products. RadiSys delivers precisely the right computer toeach customer by leveraging a databaseof intellectual property that is focused on Intel-based designs. EquipmentManufacturers accelerate their time-to-market,recapture engineering resources, and optimize profitability over the lifeof their product by partnering with RadiSys as avirtual division of their company. RadiSys computers incorporate Intelprocessors in a wide variety of form factors, core logiccomponents, real-time system software, and TI-based DSP subsystems.RadiSys supports its customers with a long, stablesupply of computers manufactured in their own facilities.

Rambus Inc.
2465 Latham Street
Mountain View, CA 94040
tel: +1-650-944-8000
fax: +1-650-944-8080 USA Japan
Rambus Inc. [Nasdaq:RMBS] develops and licenses scalable bandwidth, chip-to-chip interfacetechnologies that enables semiconductor memory devices and ASICs to keep pace with faster generationsof processors and controllers. Rambus technology is incorporated onto dynamic-random-access-memory(DRAM) chips and the logic devices that control them to deliver more than ten times the performance ofconventional DRAMs. A single Rambus(R) DRAM device, referred to as an RDRAM(R) device, transfersdata at speeds up to 800MHz and beyond over the Rambus Channel to Rambus-compatible ICs.
Rambus chip connection technology is an open standard, accessible to all semiconductor companies.Rambus provides licensees with a full range of design, documentation and system-engineering services.In exchange, IC companies pay an up-front license fee and royalties. System companies buyRambus-compatible ICs from licensed semiconductor companies; they do not pay separate royalties orlicense fees for using Rambus technology.
The high-bandwidth, low pin-count Rambus interface has a major impact on improving theprice/performance and reducing the size of a broad range of systems from desktop computers to portables tocommunications systems to multimedia and consumer digital video products. Rambus Inc.'s uniquetechnology uses standard CMOS processes, low cost IC packaging, and standard printed circuit boardtechnologies to deliver the highest performance at a low cost.
2002/Sean: They have now diversified and in additon to their core memory business they are also designing serial link system platform / high-speed interconnects

(Infineon invested about $30 million in it around 200012in inexchange for new memory technology)
Ramtron International Corporation
1850 Ramtron Drive
Colorado Springs, CO 80921
tel: +1-719-481-7000
tel: +1-800-545-FRAM
fax: +1-719-481-9294 General Data sheets
Ferroelectric Nonvolatile SRAM,Super-Fast EDRAM

Raytheon Semiconductor Co.
350 Ellis Street
Mountain View, CA 94039
tel: +1-408-522-7089
fax: +1-408-522-7055
Raytheon Systems Ltd
Queensway Industrial Estate
Fife KY7 5PY
tel: +44-1592-754311
fAX: +44-1592-759775 Electronics Electronics General

COMSOL the largest range of embedded development tools in Europe

(Bought by GE, GE by Harris, Harris Semi's is now Intersil.)

RC Systems
RC Systems, Inc.
1609 England Ave.
Everett, WA 98203
tel: +1-425-355-3800
fax: +1-425-355-1098 General Data
The RC8650 voice synthesizer chip set is the latest creationfrom RC Systems. Our 16+ years experience in providingleading edge text to speech solutions has been integrated intosilicon, now available in an easy to use chip set. You'll beamazed at the amount of functionality and versatility thatwe've built into these devices: unlimited vocabulary,on-the-fly voice control, tone generation, recorded voiceplayback, addressable voice channels, multiple input andoutput protocols... the list goes on.
Thought that a PC was the only way to generate speech fromtext? The RC8650 enables you to add text to speech capabilityto virtually any embedded system, quickly and painlessly,without a PC and virtually no overhead. You can send textmessages to the RC8650 via an asynchronous serial port,printer port, or SRAM-like microprocessor interface. Theaudio output is delivered as either an analog signal or digitalaudio, if you need to do further processing of the audio stream.All the RC8650 asks for is 17 mA of operating current (5 V)to keep it happy, or only 2 uA when you're not using it. Think aPC would ask so little?

(1987: Founded.1989: Acquired CMOS 4000 family from Allegro.1991: Launched CMOS Analog/Digital Mixed Mode IC design group.1993: Started providing complete solutions from production to volume delivery.)
R&E International Inc. General

RealTek Semiconductor Corporation
Taiwan General Data?

Redux Communications
Redux Ltd.
Beit Lotem, Shilat, POB 101,
Modi'in 71700
tel: +972-8-914-8888
fax: +972-8-914-8889
Redux Inc.
1750 Tysons Blvd., Suite 400
McLean, VA 22102
tel: +1-703-744-1196
fax: +1-703-744-1001
Fabless semiconductor company providing 100 Mbps traffic processors for use in a wide variety of Ethernet-service demarcation applications in business and residential environments.
As a result of its unique packet processing streaming architecture, Redux's solutions deliver wire-speed layer 2 through 7 traffic classification, routing and scheduling at a fraction of the cost, size and power of available general purpose processors.
With Redux, OEMs are able to create a new generation of broadband gateways and access devices to support the rapidly increasing demand for intelligent CPE with application-layer filtering, bandwidth management, performance monitoring and more.

(Owned by Micron)
Rendition linked to the Integrated Technology Group of Micron directly to that page
They made low-cost graphics controller chipsets.

(20030401: Established. Owned by Hitachi (55%) and Mitsubishi (45%).)
Renesas Technology Corp.
Marunouchi Bldg., 4-1, Marunouchi 2-chome
Chiyoda-ku, Tokyo
Development, design, manufacture, sales and servicing of system LSIs, including microcomputers, logic and analog devices, discrete devices and memory products, including flash memory and SRAM.

See EG&G Reticon

RF Micro Devices General Datasheets
RF Micro Devices, Inc. is a leading supplier of radio frequencyintegrated circuits (RFICs) for the wireless, broadband and cablecommunications industries. RFMD designs and manufacturescomponents for many communications applications, from cellular to CATV.The ever-expanding RFMD(TM) product lineincludes power amplifiers, linear amplifiers, LNA/mixers,quadrature modulators/demodulators, upconverters, front ends,attenuators, switches and transceivers.

Rhombus Industries
(Founded in 1970)
Rhombus Industries
15801 Chemical Lane
Huntington Beach, CA 92649-1595
tel: +1-714-898-0960
fax: +1-714-896-0971 General
Delay Line for Passive and Active Application,Pulse Transformer for LAN/WAN Data Communication
Privately owned corporation and a leading designer and manufacturer of transformers,inductors, delay lines, filters and magnetic products.Our headquarters includes engineering, research and development, complete manufacturingcapabilities, marketing and extensive in-house environmental testing capabilities.Supporting the Huntington Beach facility is our privately owned and operated sub-assemblyoperation located in Thailand.
Insuring the accuracy, consistency, and overall quality of Rhombus products isof primary concern.All of our products are designed and built to meet the most demanding reliability requirements.We have an extensive quality control program which incorporatesstatistical process control and is also in strict compliance with MIL-I-45208.

Ricoh Corporation
Electronic Devices Division
3001 Orchard Parkway
San Jose, CA 95134
tel: +1-408-432-8800
fax: +1-408-432-8375 General English Datasbeets English
Ricoh is a manufacturer of power management IC's, real time clocks,PCMCIA and CardBus controllers and various other ASSPs.They also provide foundry services.
Situated in the heart of Silicon Valley,the Electronic Devices Division of Ricoh Corporation was established in 1984to provide better service and support to our valued customers.Our responsibilities include marketing and sales, distribution, design,service and support in the North American market for Ricoh IC and related products.The Electronic Devices Division has two fabrication facilities in Japan.Our Division's Headquarters and first fab is located in Osaka.Our new facility is situated in the rural community of Yashiro,just outside of Osaka. The Ricoh Yashiro plant is a highly automated fabdesigned to provide the highest levelof manufacturing and quality control technologies.
ASSP Voice Recognition, PC Card Controller, PCM Sound Generator
Standard IC's Real Time Clocks, 8/16-Bit Micro Controller, Power Management ICs
Foundry CMOS (1.5 micron to 0.35 micron) 6" and 8" wafers
RF5C296/RF5C396 PCMCIA2.1 PC Card Controller
RL/RT/RC5C475A PCI CardBus Bridge Controller
RL5C476A PCI CardBus Bridge Controller
RL/RB5C478A PCI CardBus Bridge Controller
Rx5C292 Series Digital Video Encoder
RF5A128/RF5S830 Voice Recognition LSI


Rise Technology
They make cheap CPU's. mP6, cheap chip for notebooks, specializing in DVD and 3D.

See Rocky Mountain RAM

Robert Bosch
Robert Bosch Corporation
38000 Hills Tech Drive
Farmington Hills, MI 48331
tel: +1-810-553-1184
fax: +1-810-553-1426
Robert Bosch GmbH
Postfach 1342
D-72703 Reutlingen
tel: +49-7121-35-2979
fax: +49-7121-35-2170
CF150 Bidirectional Can Bus Transceiver

COMSOL the largest range of embedded development tools in Europe

Bought by Xilinx on 20001003. See

(Rockwell spun off its Rockwell Semiconductor Systems group in 1998,which is now known as Conexant.) The former mother company

Rocky Mountain Ram
Rocky Mountain Ram
5600 Airport Blvd Suite B
Boulder, CO 80301
tel: +1-800-543-0932
fax: +1-303-413-8244 General About Technical news Computer manufacturers
A woman-owned manufacturer of the highest quality computer upgrades.We specialize in government, university and retail distribution systems.The principals of Rocky Mountain Ram have over 60 years of combined experiencein the computer memory and peripheral industry.We do all design, acquisition and manufacturing in-house.

We design, build and broker chips:

Rocky Mountain Ram was founded by industry leadersto provide memory components for laptops,workstation, PC's, laser printers and digital cameras.
We also specialize in designing and building unique memory modulesfor industrial applications.
Contact us with your specifications and needs.

Rohm Co. Ltd.
21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615
tel: +81-75-311-2121
fax: +81-75-315-0172
Rohm Corporation
3034 Owen Drive
Antioch, TN 37013
tel: +1-615-641-2020
Rohm Electronics GmbH
Kesselschmied-Straße 10
D 85354 Freising
tel: +49-8161-4831-0
fax: +49-8161-4831-20 general datasheets Japan Japan, data sheets USA Germany

(Owned by Fujitsu)
Ross Technologies
5316 Highway 290 W
Suite 500
Austin, TX 78735
tel: +1-512-892-7802
fax: +1-512-892-3036
They design SPARC based RISC processors

See also:

local ASIC designers Dan Burke's links to IC manufacturers' data sheets BOIN's Semiconductor Linkpage Datasheet Locator by NetComponents Semiconductor datasheets on the Web Electronic Distribution Today EENet Semiconductor Manuf's WWW sites List of many semiconductor manufacturers' home pages Another list (from 1998) Dana's index

Click on the first letter of the IC manufacturer you're looking for:
0..9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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