MagiCAD is a system for GaAs semi-custom design through MOSIS and electromagnetic modeling of digital interconnect.
MagiCAD is now available on the following platforms: * DEC Alpha workstation running OSF/1 2.0 * HP 9000/700-series workstation running HP-UX 9.05 * Sun SparcStation running Solaris 2.3 (SunOS 5.3)The Mayo Graphical Integrated Computer Aided Design (MagiCAD) system package provides a comprehensive design environment for the development of digital systems, from initial concept to post-layout verification of integrated circuits (ICs). MagiCAD focuses on the development of high-speed Gallium Arsenide (GaAs) gate array designs. Specialized electromagnetic simulation tools are provided to address high clock rate issues such as crosstalk and reflections, which become more important as clock rates exceed several hundred MHz or signal edge rates become less than 500 pico-seconds. MagiCAD provides all the necessary tools for high clock rate GaAs IC design, and is also integrated with non-Mayo circuit, logic, and fault simulators.
MagiCAD provides a lower risk approach than full-custom design for universities wishing to perform digital GaAs design through MOSIS. This is done by providing a gate array design environment where low-level transistor design and layout issues have already been solved and abstracted into a technology library of pre-defined cells. This frees the student or researcher to solve the still challenging tasks of system and gate-level design and layout to get high clock rate chips fabricated through MOSIS that meet all specifications.
MagiCAD has been used in the design of many GaAs chips that have been successfully fabricated. The MagiCAD electromagnetic modeling tools have been used in the analysis of many actual packages, multi-chip modules (MCMs), and printed circuit boards (PCBs), uncovering and avoiding problems that are commonly associated with high-frequency, fast edge-rate designs. The Vitesse Fury (TM) GaAs VSC2K gate array is provided as a MagiCAD technology library, and has been used for both graduate and undergraduate student chip designs. The Vitesse FX20K (HGaAs-III) has been entered as a MagiCAD technology library, as a replacement for the VSC2K (HGaAs-II). A Mayo FX20K chip design is in fabrication now, and after it is tested, the FX20K technology will be released for student designs through MOSIS by 2Q 1995.
L Functionality that has been integrated into MagiCAD includes: o Vitesse Fury VSC2K GaAs gate array technology library (HGaAs-II) o Database which integrates all tools o Schematic entry through a general purpose graphics editor o Circuit simulator o Logic and timing simulators o Fault grading o Place and route tools o Layout verification tools o Output to standard GDSII format for mask creation o Electromagnetic analysis - Cross section entry with graphics editor - Multilayer multiconductor transmission line (MMTL) modeling - Network tool for solving cases with many transmission line components - Lossy and non-lossy cases - Frequency and time domain result displays - Used for analyzing complex design paths, through chip, MCM, and PCBThe Advanced Research Projects Agency (ARPA) has funded Mayo to supply MagiCAD to universities in the USA for research and educational purposes. The direct cost to the universities for the MagiCAD software itself is zero (although there may be costs for any non-Mayo software that universities may want). Mayo-supplied MagiCAD training and support costs to these institutions is funded by ARPA, and is therefore free to the universities in the USA. MagiCAD is not being distributed or supported outside the USA.
The general steps for a university to begin using MagiCAD for digital GaAs gate array design include: 1) Contact Mayo Foundation to acquire MagiCAD software and GaAs technology libraries. 2) Contact MOSIS to acquire general MOSIS information and Vitesse-specific GaAs technology information.Point Of Contact For Acquiring MagiCAD And MagiCAD Support:
L Tom Smith Mayo Foundation Special Purpose Processor Development Group 200 First St. S. W., Guggenheim 1016A Rochester, Minnesota 55905 Telephone: (507) 284-0840 Telefax: (507) 284-9171 EMail: Smith.Thomas@Mayo.EduPoint Of Contact For Acquiring General MOSIS Information And Vitesse-specific GaAs Technology Information:
L Sam Reynolds The MOSIS Service USC/ISI 4676 Admiralty Way Marina del Rey, CA 90292-6695 Telephone: (310) 822-1511 x172 Telefax: (310) 823-5624 EMail: firstname.lastname@example.org
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