Credence Announces Higher Speed, 250 MHz Duo Series Tester at International Test Conference in Washington, D.C.WASHINGTON--(BUSINESS WIRE)--Oct. 23, 1995--Credence Systems Corporation (NASDAQ NASDAQ in full National Association of Securities Dealers Automated Quotations U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on : CMOS (Complementary Metal Oxide Semiconductor) Pronounced "c-moss." The most widely used integrated circuit design. It is found in almost every electronic product from handheld devices to mainframes. ) today announced a new, higher-speed model of its Duo Series test system. Now with 250 MHz (MegaHertZ) One million cycles per second. It is used to measure the transmission speed of electronic devices, including channels, buses and the computer's internal clock. A one-megahertz clock (1 MHz) means some number of bits (16, 32, 64, etc. active-termination I/O (Input/Output) The transfer of data between the CPU and a peripheral device. Every transfer is an output from one device and an input to another. See PC input/output. I/O - Input/Output , the Duo 250 MHz is a unique "two-in-one" system designed to test high performance VLSI VLSI: see integrated circuit. (1) (Very Large Scale Integration) Between 100,000 and one million transistors on a chip. See SSI, MSI, LSI and ULSI. (2) (VLSI Technology, Inc., Tempe, AZ, www.semiconductors. digital and the rapidly-emerging class of combined digital mixed-signal devices, including multimedia computing and communications, digital video, and digitized audio subsystems. Credence is demonstrating the Duo 250 MHz this week at the International Test Conference in Washington, D.C. "Introduced just a year ago, the Duo has influenced the way in which the industry now approaches mixed-signal test," explained Paul Scrivens, Vice President of Product Marketing for Credence Systems Credence Systems Corporation (NASDAQ: CMOS), is a manufacturer of test and analytical equipment for the global semiconductor industry. Founded in 1978, it is publicly traded on the Nasdaq stock market under the symbol CMOS. . "By designing a system from the ground up with both high performance, high pin-count digital as well as fully integrated, mixed-signal test capability for digital signal processors, telecommunications devices, audio, and video, the semiconductor community has come to expect single-platform efficiency and demand even higher performance capabilities for both the digital and mixed-signal test subsystems." Duo's digital platform is matched with a DSP (1) (Digital Signal Processor) A special-purpose CPU used for digital signal processing applications (see definition #2 below). It provides ultra-fast instruction sequences, such as shift and add, and multiply and add, which are commonly used in math-intensive instrumentation cluster designed for comprehensive testing of today's multimedia devices. The Duo's DSP video system provides an impedance-matched, fully differential 16 GHz sampling system applicable to a broad range of video applications. The Duo's mixed-signal noise floor achieves 10 nV/root Hz through the audio and video spectrums. Multiple SuperClocks provide a phase-coherent synchronization architecture for mixed-signal testing, and a multiple clock system for asynchronous Refers to events that are not synchronized, or coordinated, in time. The following are considered asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. digital devices or for true parallel testing. At the International Test Conference this week, Credence will demonstrate test on the Duo of a 100/155 Mbps LAN/ATM transceiver from National Semiconductor Corporation, as well as parallel propagation delay measurements with an accuracy of +/-150 pS on Advanced Micro Devices' MACH 230. The Duo is targeted specifically at the emerging classes of single-chip devices that are predominantly controller-based digital, but include a significant content of analog or mixed-signal functionality. These devices, which are the core technologies in consumer video, notebook computers, and other advanced products, include graphics subsystems that combine DSP and image compression functions to provide full bandwidth video imaging. Also emerging in the market are single-chip, local-area and wide-area networking ICs that provide transceivers, filters, encoder/decoder and related functions on a single silicon chip. A third significant group of mixed-signal ICs are mass storage devices, specifically those built using PRML (Partial Response Maximum Likelihood) A technique used to differentiate a valid signal from noise by measuring the rate of change at various intervals of the rising waveform. (partial response, maximum-likelihood) read channels. These disk controllers feature higher data capacities, faster data transfer, and reduced error rates. "Manufacturers of a wide range of these new graphics, storage and networking devices have discovered the single-platform Duo to be a cost-effective yet robust alternative to conventional test systems," explained Scrivens. Credence Systems Corporation is a leading manufacturer of automatic test equipment (ATE) that serves a broad spectrum of the worldwide semiconductor industry's testing needs. Credence, together with its wholly owned subsidiary Wholly Owned Subsidiary A subsidiary whose parent company owns 100% of its common stock. Notes: In other words, the parent company owns the company outright and there are no minority owners. , EPRO, offers a wide range of products with test capabilities for digital, mixed-signal, and non-volatile memory semiconductor devices. Credence utilizes its proprietary CMOS technologies to redefine test by designing products that solve its customers' business problems through technology while meeting the increasingly demanding performance requirements of today's ATE market. The Company is headquartered in Fremont, Calif., with manufacturing in Beaverton, Ore., and Santa Clara, Calif. Credence is listed on the Nasdaq National Market under the symbol CMOS. CONTACT: Credence Systems Corp. Henry S. Kim, 510/623-4739 or IPRA IPRA International Public Relations Association IPRA International Peace Research Association IPRA Illinois Park and Recreation Association IPRA International Professional Rodeo Association IPRA Internet Policy Registration Authority Dick Davies, 415/777-4161 |
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