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5th International Symposium on Quality Electronic Design (ISQED'04)
A High Performance Radiation-Hard Field Programmable Analog Array
San Jose, California
March 22-March 24
ISBN: 0-7695-2093-6
Ji Luo, University of Maryland at College Park
Joseph B. Bernstein, University of Maryland at College Park
J. Ari Tuchman, University of Maryland at College Park
Hu Huang, University of Maryland at College Park
Kuan-Jung Chung, University of Maryland at College Park
Anthony L. Wilson, Mission Research Corporation
While interest, availability and use of FPAAs have grown, FPAAs still have not achieved the same success as FPGAs in the digital domain. This results from several factors, including the lack of CAD tools, small circuit density, small bandwidth and layout dependent noise figures. These factors are all related to each other, making the design of a high performance FPAA a multi-dimensional problem. A critical reason behind these difficulties is the non-ideal programming technology, which contributes a large portion of parasitics into the sensitive analog system. This paper presents a high performance, radiation hard Laser Field Programmable Analog Array (LFPAA) using LaserLink?s MakeLinkTM technology. Because of its extremely low resistance, negligible parasitic capacitance and full compatibility with commercial CMOS process, MakeLink TM can fully reduce these FPAA design concerns and offer a breakthrough capability in analog array performance. The proposed LFPAA consists of a 4 x 4 array of Configurable Analog Blocks (CABs) surrounded by abundant interconnect resources. There are 16 PAD groups around the chip, and 8 tracks per X/Y channel. Each CAB has 4 input and 4 output pins with internal circuit operating in fully differential mode. With appropriate programming, the LFPAA can provide an accurate, low-cost and rapid-prototyping analog ASIC solution.
Citation:
Ji Luo, Joseph B. Bernstein, J. Ari Tuchman, Hu Huang, Kuan-Jung Chung, Anthony L. Wilson, "A High Performance Radiation-Hard Field Programmable Analog Array," isqed, pp.522-527, 5th International Symposium on Quality Electronic Design (ISQED'04), 2004
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