The AY-3-8910 is a 3-voice programmable sound generator (PSG) designed by General Instrument (GI) in 1978, initially for use with their 16-bit CP1610 or one of the PIC 1650 series of 8-bit microcomputers. The AY-3-8910 and its variants were used in many arcade games —Konami's Gyruss contains five—and Bally pinball machines as well as being the sound chip in the Intellivision and Vectrex video game consoles , and the Amstrad CPC , Oric-1 , Colour Genie , Elektor TV Games Computer , MSX , Tiki 100 and later ZX Spectrum home computers. It was also used in the Mockingboard and Cricket sound cards for the Apple II and the Speech/Sound Cartridge for the TRS-80 Color Computer .
58-642: After GI's spinoff of Microchip Technology in 1987, the chip was sold for a few years under the Microchip brand. It was also manufactured under license by Yamaha (with a selectable clock divider pin and a double-resolution and double-rate volume envelope table) as the YM2149F ; the Atari ST uses this version. It produces very similar results to the Texas Instruments SN76489 and was on
116-1146: A digital signal processor engine with up to 100 MIPS of motor control that offers variable speeds, constant torque PI control and field oriented control. The dsPIC family also offers dual cores equipped with pulse-width modulation , analog-to-digital converters , programmable gate arrays and the capability for live firmware updates and provides permanent-magnet motor (see also Synchronous motor#Permanent-magnet ), alternating current induction motor (see also induction motor ) and brushless DC (see also Brushless DC electric motor ) motor control in industrial, medical, automotive and consumer applications. Microchip Technology offers computer-related products including embedded controllers based on enhanced serial peripheral interface (eSPI) bus technology, input/output (I/O) devices, keyboard controllers and root of trust , secure boot and authentication and system management devices. Common applications include traditional computing applications (e.g., laptop computers) and embedded computing, such as interactive kiosks , networking equipment, and automated teller machines . Microchip Technology offers
174-761: A 30% premium at the close on August 7, 2014. The total equity value was about $ 839M. The completion of the acquisition was announced on August 3, 2015, with 98.5% of Micrel shares that voted approving the merger. Atmel was a designer and manufacturer of semiconductors focusing on selling microcontrollers. Microchip agreed to buy Atmel for $ 3.56bn in January 2016. JPMorgan Chase advised Microchip while Qatalyst Partners advised Atmel. Microsemi manufactured semiconductors and system products for markets including aerospace and defense, communications, data centers, and industrial markets. In May 2018, Microchip acquired Microsemi Corporation . The acquisition price represents
232-760: A battery back-up capability, digital timing, and on-board EEPROM and SRAM memory. USB products include smart hub controllers, power delivery and charging, transceivers/switches, flash memory controllers and security products. Microchip Technology Ethernet products include Ethernet PHYs controllers for media-independent interface (MMI) interfacing, switches, controllers and bridge devices. Microchip Technology's offerings focus on lower-power operation designed for sensing or command and control products. Wireless products support Wi-Fi , Bluetooth , LoRa technology, IEEE 802.15.4 (e.g., Zigbee and MiWi wireless networking protocols) and proprietary 2.4 GHz and sub-GHz communication. Microchip Technology produce
290-583: A broad portfolio of analog products that address thermal management , power management , battery management, mixed-signal, linear, interface, safety and security needs. Products includes stand-alone analog and interface devices which support a variety of bus interfaces and analog features on microcontrollers, digital signal controllers, microprocessors and FPGAs. The power products include silicon diodes , MOSFETs , insulated-gate bipolar transistors , silicon carbide MOSFETs and Schottky diodes . The dsPIC product family of digital signal controllers includes
348-429: A cycling effect. A total of 65535 different cycle times can be set. As there is only one envelope shared between all three channels, many programmers ignored it and programmed their own envelope controllers in software (controlling volume directly). A well known trick was to run the hardware envelope at cycle times above 20 Hz to produce sawtooth or triangle-wave like bass sounds. Although there are only 16 registers,
406-589: A much more configurable noise generator. It was used on the Covox Sound Master sound card for the IBM-PC. Very few games took advantage of it beyond the normal AY-3-8910 features. This chip may have only been produced by Microchip Technology . Yamaha used the YM2149 core to produce a whole family of music chips used in mobile phones, home computers, home and arcade video game systems, etc. For example,
464-512: A normal 88-key piano, and as good as subsonic with everyday speaker systems. In essence, the chip is able to produce decently musical output at all reasonable pitches found in most compositions. By contrast, the SN76489 only has 10 bits of precision for its frequency dividers. Having the same base frequency of 125 kHz, it should in theory lack the two lowest octaves of the PSG. To get around this,
522-502: A start-up that specialized in USB 3.0 chips, and two hi-fi wireless audio companies—Kleer Semiconductor and Wireless Audio IP BV. Novocell Semiconductor, Inc. offered non-volatile-memory intellectual property. Microchip Technology, through its Silicon Storage Technology (SST) subsidiary, signed a definitive agreement on June 3, 2013, to acquire Novocell Semiconductor. The terms of the agreement are confidential. The acquisition expanded
580-621: A total equity value of about $ 8.35bn , and a total enterprise value of about $ 10.15bn , after accounting for Microsemi's cash and investments, net of debt, on its balance sheet at December 31, 2017. In October 2020, Microchip Technology announced the acquisition of New Zealand-based Tekron International Limited. Founded in 2002, Tekron specialized in manufacturing GPS and precision timing devices. Microchip Technology intends to offer these products to "financial, data center, industrial, and communications clients." Financial and other terms were not publicly disclosed. In April 2024, Microchip announced
638-507: A typical setup cycle puts the bus into "address mode" to select a register, and then switches to "data mode" to set the contents of that register. This bus was implemented natively on GI's own CPUs, but it had to be recreated in glue logic or with the help of an additional interface adapter such as the MOS Technology 6522 when the chip was used with the much more common MOS Technology 6502 or Zilog Z80 CPUs. Six registers control
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#1732780511533696-939: A variety of applications, such as disposables, accessories and nodes. The crypto element devices use ultra-secure, hardware-based cryptographic countermeasures including tamper detection . Microchip Technology offers oscillators , clock generators , clock and data distribution products and real-time clock and calendar devices. The oscillator product line offer low jitter and low power online-configurable products with quartz-based or MEMS silicon-based resonator options. The clock generation product line offer online-configurable, single chip, multiple-frequency clock tree options. The clock and data distribution product line offers buffers, logic translators and multiplexers . The packet network synchronization product line includes ITU-T/IEEE® standards-compliant digital phase-locked loops for synchronous Ethernet as well as IEEE 1588 based applications. The real-time clock and calendar devices offer
754-526: A wide range of Power Management Integrated Circuits (PMICs). In April 2009, Microchip Technology announced the nanoWatt XLP microcontrollers, claiming the world's lowest sleep current. Microchip Technology had sold more than 6 billion microcontrollers as of 2009. As of 2011, Microchip Technology ships over a billion processors every year. In September 2011, Microchip Technology shipped the 10 billionth PIC microcontroller. KeeLoq technology enhances security in wireless and remote controlled systems through
812-837: A wide range of memory products that includes serial EEPROM, serial SRAM , serial flash , serial NvSRAM , serial EERAM, parallel EEPROM, parallel one-time programmable flash, parallel flash and CryptoMemory devices. Microchip Technology offers a variety of programming tools and other tools to support the use of microcontrollers, digital signal controllers, and microprocessors. The MPLAB and Atmel Studio ecosystems include integrated development environments , compilers , configurators , programmers (e.g., MPLAB PICkit™ ), in-circuit emulators (e.g., MPLAB devices ), and debuggers . A range of PIC devices support in-circuit programming (both for FLASH and OTP memory devices). Microchip Technology offers crypto element devices that provide authentication , data integrity , and confidentiality in
870-586: Is an enhanced but mostly-backwards-compatible version of the AY-3-8910 . The function of the BC2 pin is changed (it is ignored and assumed to be 0 regardless of the pin state), otherwise the pinout is the same as the AY-3-8910 . This variant of the chip adds a number of major enhancements, such as separate envelopes for the three channels (as opposed to one shared envelope), variable duty-cycles, more bits of precision for note frequency, volume, and envelope frequency, and
928-698: Is located in Chandler, Arizona . Its wafer fabs are located in Tempe, Arizona , Gresham, Oregon , and Colorado Springs, Colorado . The company's assembly/test facilities are in Chachoengsao, Thailand , and Calamba and Cabuyao , Philippines. Sales for the 2024 fiscal year were US$ 7.6 billion. It was founded in 1989. Microchip Technology offers support and resources to educators, researchers and students in an effort to increase awareness and knowledge of embedded applications. Microchip Technology
986-573: Is the same chip in a 28-pin package, with parallel port B simply not connected to any pins. Smaller packages save cost and board space. The 8912 was the most widely used variant. The AY-3-8913 is the same chip in a 24-pin package, with both parallel ports not connected. Some users thought the small reduction in pin count over the 8912 made it less interesting; however, the I/O registers were rarely used by designers so GI created this fully functional 24 pin alternative and released it approximately 6 months after
1044-431: The 32-bit microcontrollers, with 600 MHz (942 DMIPS) operation, support for up to 512 MD of external DDR2 or DDR3 DRAM and power down to 0.3 mW sleep. Available peripherals and users interfaces include gigabit Ethernet MAC addresses , USBs , hardware video decoding, capacitive sensing , 12-bit CMOS sensors , I²S audio interfaces and 24-bit graphic LCD controllers with overlays. Microchip Technology offers
1102-900: The 8-bit microcontrollers are Core Independent Peripherals, low-power performance with picoPower and eXtreme Low Power (XLP) technology and EMI/EMC performance. The 16-bit microcontrollers, such as the PIC24 , offer an upgrade over the 8-bit devices in features and peripherals (e.g., more memory, additional pins). The 16-bit microcontrollers are constructed under the PIC microcontroller architecture. Microchip Technology's 32-bit product portfolio run at up to 600 DMIPs with up to 2048 KB Flash and 512 KB RAM with 32 MB integrated DDR2 dynamic random-access memory (DRAM) or 128 MB externally addressable options. The 32-bit portfolio addresses advanced graphics and Internet of things (IoT) applications. The 32-bit Arm microprocessors were designed for applications beyond
1160-507: The 8910 and 8912 chips. The goal was to reduce complexity for the designer and reduce the foot print on the PCB. The Yamaha YM2149F SSG (Software-controlled Sound Generator) chip has the same pinout as the AY-3-8910, with the minor difference that pin 26 could halve the master clock if pulled low. If left unconnected, as it would be if replacing an AY-3-8910 chip, an internal resistor pulls
1218-647: The File KC89C72 have the same pinout as the AY-3-8910 and are also 100% software compatible. They're still in production and used on many slot machines . The AY-3-8914 has the same pinout and is in the same 40-pin package as the AY-3-8910 , except the control registers on the chip are shuffled around, and the 'expected input' on the A9 pin may be different. It was used in Mattel 's Intellivision console and Aquarius computer. The AY-3-8930 , also known as AY8930 ,
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#17327805115331276-589: The OPN series of Yamaha FM synthesis chips are noteworthy for including the YM2149 core alongside their 4-operator FM synthesis sound generators. The YM2203 (also known as OPN) was the first chip in the series to include the core of the YM2149 on the chip itself alongside its three-channel FM sound generator. Its far more advanced successors: the YM2608 (also known as OPNA) and the YM2610 (also known as OPNB), also included
1334-399: The SN76489 plays its tone generators one octave lower than their calculated frequency, giving it one octave less in the bass and one octave less in the top compared to the PSG. The 8910 silicon chip was sold in three different packages. The AY-3-8910 has two general-purpose 8-bit parallel I/O ports, A and B, and these are available in the 40-pin package of the same name. The AY-3-8912
1392-513: The YM2149 core and retained all previous features while greatly expanding upon those, with the YM2610 excluding the I/O ports among other minor changes. The YM2612 (also known as OPN2), itself an upgraded derivative of the YM2203, removed the YM2149 portion completely among other changes, including the removal of all YM2149 sound channels and I/O ports, but retained the YM2149's envelope generators on
1450-508: The YM2149, in a 16-pin package. It's basically YMZ294 without the 4/6 MHz selection pin and the /TEST pin. The Yamaha YMZ285 has a 28-pin package and features a built-in PCM. Has no parallel ports and two sound outputs: one with the three SSG channels mixed, other with the PCM output. The Toshiba T7766A is a compatible chip that has the same pinout as the AY-3-8910 and was used in some MSX models. The Winbond WF19054 , JFC 95101 and
1508-506: The YM2149F), well beyond human hearing range and into the ultrasonic range. The existence of ultrasonic values is a consequence of the frequency-divider design; in order to have adequate resolution at audible frequencies it is necessary for the overall clock rate (and thus the output at small divisors) to be considerably higher than the audible range. Only divisors below 5 give entirely-ultrasonic output frequencies. Frequencies equivalent to
1566-489: The acquisition are confidential and were not expected to have a material impact on Microchip Technology's quarterly financials. The acquisition was expected to enhance Microchip Technology's penetration in the automotive and industrial markets for embedded applications. ISSC Technologies (ISSC) was a Taiwan based developer of Bluetooth system on chip products for wireless headset , speaker , connectivity and human interface device products. Microchip Technology announced
1624-541: The acquisition for about $ 292M. Microchip sold several SST flash memory assets to Greenliant Systems (founded by Yeh) in May of that year. Ident Technology AG was a German company that developed capacitive sensing technology. The acquisition of Ident Technology was revealed in Microchip Technology's fourth fiscal quarter (ending March 31, 2012) and full fiscal year financial results. The amount paid for
1682-513: The acquisition of Korean VSI Co. Ltd. a company that developed high-speed, asymmetric, camera, sensor and display connectivity technologies and products based on the Automotive SerDes Alliance (ASA) open standard for In-Vehicle Networking (IVN). The terms of the transaction were not disclosed publicly. In April 2024, Microchip acquired Neuronix AI Labs. Founded in 2020, Neuronix developed computer vision technology for use at
1740-852: The acquisition of ZeroG Wireless on January 11, 2010, for an undisclosed amount. The deal was intended to enhance Microchip Technology's wireless offerings by providing a Wi-Fi product for their PIC microcontrollers. Silicon Storage Technology, Inc. (SST) was a Sunnyvale , California , United States, technology company producing non-volatile memory devices and related products. SST supplied NOR flash and other integrated circuits for high-volume applications. Bing Yeh co-founded SST in August 1989, and served as its chief executive. Starting in February 2010, private equity firm Cerberus Capital Management and public company Microchip Technology both made offers to acquire SST. In April 2010, Microchip completed
1798-728: The acquisition was not disclosed. Roving Networks was a Los Gatos, California , United States, privately held, fabless semiconductor company that provided embedded low-power Wi-Fi and Bluetooth products, including some that connected to smartphones using the iOS and Android operating systems. In a confidential deal, Microchip Technology announced the acquisition of Roving Networks on April 19, 2012. Standard Microsystems Corporation manufactured semiconductors including controllers for embedded networking, Ethernet controllers, and flash media cards. In August 2012, Microchip acquired Standard Microsystems Corporation (SMSC). Among SMSC's assets were those it had previously acquired from Symwave ,
General Instrument AY-3-8910 - Misplaced Pages Continue
1856-476: The best performing IPO of the year with a stock appreciation of 500% and over $ 1bn in market capitalization . At the end of 2015, Microchip Technology posted its 100th consecutive quarter of profitability. In line with the general consolidation of the semiconductor industry, Microchip Technology purchased 17 semiconductor manufacturers from 2007 to 2017. In 2018, Microchip completed its largest acquiistion, buying Microsemi Corporation for $ 10.3Bn. In April 2024,
1914-546: The chip's core. Microchip Technology Microchip Technology Incorporated is a publicly listed American corporation that manufactures microcontroller , mixed-signal, analog, and Flash-IP integrated circuits . Its products include microcontrollers ( PIC , dsPIC , AVR and SAM ), Serial EEPROM devices, Serial SRAM devices, embedded security devices, radio frequency (RF) devices, thermal, power, and battery management analog devices, as well as linear, interface and wireless products. Its corporate headquarters
1972-792: The company acquired VSI Co. Ltd and Neuronix AI Labs. Microchip Technology offers 8-bit microcontrollers, 16-bit PIC microcontrollers, dsPIC digital signal controllers, analog and interface products, security authentication products, timing/communication/real-time clock and calendar products, real-time clock and calendar devices, memory products, wireless products, high-throughput USB and Ethernet interfaces, MOST technology, embedded controllers and super I/O devices, touch, multi-touch and 3D gesture control products, power over Ethernet systems and ICs, and field-programmable gate arrays (FPGAs). Microchip Technology's 8-bit portfolio consists of over 1,200 devices constructed under two architectures: PIC microcontrollers or AVR microcontrollers . Key features of
2030-544: The company put the facility up for sale for $ 94M. Microchip Technology announced the sale of the Puyallup facility, which had become known as Fab 3, on October 19, 2007, for $ 30M from an unsolicited offer. TelCom Semiconductor was a publicly traded company out of Mountain View, California that offered analog and mixed-signal products for a variety of applications, including power and thermal management. TelCom Semiconductor
2088-508: The completion of the acquisition on April 1, 2014, with 98.4% of the Supertex shares that voted approving the merger. Micrel was a global manufacturer of integrated circuits focusing on the networking and consumer markets. Microchip Technology announced the signing of a definitive agreement to acquire Micrel for $ 14.00 a share on May 7, 2015. The price per share represented a 3% premium over Micrel's closing stock price on May 6, 2015, and
2146-408: The complex on May 24, 2000. Microchip Technology expected to hire 100 employees before year end and 1,000 employees in total. The new facility was expected to double Microchip Technology's manufacturing capacity and support about $ 1.5bn in annual sales. The $ 80M acquisition was completed on July 26, 2000. Microchip Technology's plans were never realized due to the early 2000s recession . As a result,
2204-557: The deal after the Taiwanese stock market decreased in May 1990. Vice President of Operations, Steve Sanghi , was named president and chief operating officer of Microchip Technology in 1990. After several quarters of losses, Sanghi oversaw Microchip Technology's transition from selling commodity-based products to specialized chips, such as the RISC technology. Microchip Technology conducted an IPO in 1993, which Fortune magazine cited as
2262-471: The execution of a definitive agreement to acquire Supertex, Inc. on February 10, 2014, for $ 33 per share in cash. The total equity value was $ 394M and the total enterprise value after excluding Supertex's cash and investments was approximately $ 148M. The acquisition was expected to expand Microchip Technology's expertise in high voltage analog and mixed signal technologies and reach into the medical, industrial and lighting industries. Microchip Technology announced
2320-522: The four MSB bits of the 8-bit bus must be set to the factory default '0000' value when selecting a register. Incorrectly setting the MSB bits causes the chip to ignore the register change. GI did take orders for customized MSB bits (factory set to other than '0000'). The chips made with customize-set MSB register bits allow the same processor to control more than one AY chip on the same bus (e.g. TurboSound for ZX Spectrum). There are many new-old-stock (NOS) chips on
2378-421: The market for a similar period. The chips are no longer made, but functionally-identical clones are still in active production. An unofficial VHDL description is freely available for use with FPGAs . The AY-3-8910 is a simple finite-state machine . Its state of sixteen 8-bit registers are programmed over an 8-bit bus (used both for addressing and data) by toggling one of the external pins. For instance,
General Instrument AY-3-8910 - Misplaced Pages Continue
2436-470: The mixing of this noise into the three primary channels. Channel volume is controlled by three additional registers or by turning on or off the optional envelope controls on them. Finally the last three registers control the times of the envelope controller, by setting the envelope type and envelope cycle time. A total of eight envelope types include sawtooth shape or triangle shape, starting on either maximum or minimum. The shape can also be set to repeat for
2494-492: The outstanding shares of ISSC on July 14, 2014. The ISSC acquisition represents the first major overseas acquisition completed by Microchip Technology and was funded with the use of a portion of Microchip Technology's foreign cash. Supertex was a mixed signal semiconductor manufacturer that focused on high voltage analog and mixed signal products for use in the following industries: medical, LED lighting, display, industrial and telecommunications. Microchip Technology announced
2552-565: The pin high, so the master clock is not halved. The Yamaha YM3439 is a CMOS version of the YM2149F. It is available in two packages: 40-pin DIP (YM3439-D) and 44-pin QFP (YM3439-F). The Yamaha YMZ294 is one of the newest variants of the YM2149, but in an 18-pin package. Has no parallel ports and only one sound output with the three channels mixed. The Yamaha YMZ284 is an even smaller variation of
2610-441: The pitches produced in the three primary channels. The frequency to generate is held in two 8-bit registers dedicated to each channel, but the value is limited to 12-bits for other reasons, for a total of 4095 (the register value is used as the frequency divider and 0 is treated as 1) different pitches. Another register controls the period of a pseudo-random noise generator (a total of 31 different cycle times), while another controls
2668-446: The product portfolio of SST from a focus on high-density memory to also include low-density one-time programmable and multi-time programmable memory. EqcoLogic was a privately held, fabless semiconductor company based out of Belgium that was spun out from Vrije Universiteit Brussel and sold equalizer and coaxial transceiver products. Microchip Technology announced the acquisition of EqcoLogic on February 10, 2014. The terms of
2726-420: The product portfolio relied heavily on commodity EEPROM products. The company was losing US$ 2.5 million per quarter, had less than 6 months of cash in reserve, had exhausted lines of credit, and was failing to control expenses. Early in the year, the venture capital investors accepted an offer to sell Microchip Technology to Winbond Electronics Corporation of Taiwan for $ 15M. Winbond Electronics backed out of
2784-590: The purchase to create the Secure Data Products Group. The Puyallup wafer facility located in Puyallup, Washington (near Tacoma ) was a 92-acre semiconductor manufacturing complex owned by Matsushita Electric Industrial Company . Matsushita Electric purchased the facility in 1993 and ceased production in December 1998. Microchip Technology announced the execution of an agreement to buy
2842-527: The secondary market with MSB bits factory set to a non-'0000' value. The non-'0000' value can cause significant developmental troubles for designers and repair technicians. Software must be written to identify the correct value of the MSB bits on any given chip. Also, software must be changed or hardware added to allow these factory-set-MSB chips to be used in place of the default '0000' chips. The AY-3-8910 generates tones with fundamental frequencies of up to 125 kHz (4 MHz input clock, or 6 MHz with
2900-424: The signing of a definitive agreement to acquire ISSC on May 22, 2014. The terms of the agreement stipulated that Microchip Technology would acquire all outstanding shares of ISSC for approximately $ 4.74 per share at a total equity value of about $ 328.5M and a total enterprise value of about $ 34.2M after accounting for ISSC's cash and investments. Microchip Technology announced the completion of its tend offer to acquire
2958-468: The top octave of a piano keyboard can be defined with reasonable accuracy versus the accepted note values for the even-tempered scale, to nearly 1 Hz precision in the A440 range and even more finely at lower pitches. Despite the high maximum frequency, the ability to divide that figure by 4096 means the lowest directly definable output frequency is 30.6 Hz, roughly equal to B0, the third lowest note on
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#17327805115333016-477: The use of infrared, radio frequency, microwave transmission and secure smart cards, and may be used to enable keyless vehicle entry, garage doors openers, home security systems, pre-paid phone cards, electronic tagging, passive transponders, point of sale readers, and other applications. The KeeLoq technology, patents and marketing rights were acquired by Microchip Technology on November 20, 1995, from Nanoteq of South Africa for $ 10M in cash. Microchip Technology used
3074-402: Was a fabless semiconductor company from Sunnyvale, California that was privately held and developed low-power, embedded Wi-Fi chips. On February 17, 2009, a partnership between ZeroG Wireless and Microchip Technology was announced for the production of ZeroG development kits designed to provide Wi-Fi capabilities for Microchip Technology's PIC microcontrollers . Microchip Technology announced
3132-422: Was a privately held company that sold large-format universal touch screen controller electronics and related software. Microchip Technology announced the acquisition of Hampshire Company on October 15, 2008. The terms of the deal are confidential. The acquisition was intended to extend Microchip Technology's expertise in universal touch screen controller technology and accelerate R&D efforts. HI-TECH Software
3190-414: Was acquired by a group of venture capitalists led by Sequoia Capital . In the same year, Microchip Technology announced the release of small, inexpensive 8-bit reduced instruction set computing (RISC) microcontrollers for $ 2.40 apiece, whereas most RISC microcontrollers were 32-bit devices selling for hundreds of dollars. In 1990, 60% of Microchip Technology's sales were from the disc drive industry and
3248-496: Was an Australian-based company that provides ANSI C compilers and development tools. Founded in 1984, the company was best known for its HI-TECH C PRO compilers with whole-program compilation technology, or Omniscient Code Generation (OCG). HI-TECH Software was bought by Microchip on 20 February 2009, whereupon it refocused its development effort exclusively on supporting Microchip products. Supported manufacturers and architectures: ZeroG Wireless , founded by Thomas H. Lee ,
3306-542: Was founded in 1987 when General Instrument spun off its microelectronics division as a wholly owned subsidiary. The newly formed company was a supplier of programmable non-volatile memory , microcontrollers , digital signal processors , card chip on board , and consumer integrated circuits . An initial public offering (IPO) later in the year was canceled because of the October 1987 stock market crash . Microchip Technology became an independent company in 1989 when it
3364-532: Was spun out of Teledyne Industries in 1993 through a management buyout. Microchip Technology announced plans to purchase TelCom Semiconductor on October 27, 2000, in an all stock deal for $ 300M. The acquisition was intended to accelerate Microchip Technology's stand-alone analog integrated circuit offerings and enable the company to attach additional analog products to microcontroller sales. TelCom Semiconductor employed about 300 employees and, in 1999, posted $ 57.3M in revenue and $ 13.1 in net income. Hampshire Company
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