NDLI: A high-packing density module generator for bipolar analog LSIs

Content Provider	IEEE Xplore Digital Library
Author	Shiraishi, Y. Kimura, M. Kobayashi, K. Hino, T. Seriuchi, M. Kusaoke, M.
Copyright Year	1990
Description	Author affiliation: Hitachi Ltd., Tokyo, Japan (Shiraishi, Y.; Kimura, M.; Kobayashi, K.; Hino, T.)
Abstract	Efficient placement and routing algorithms are presented for the modules of a bipolar analog LSI. In the layout of an analog module, a grid-free technique is required to minimize the module area and geometric constraint observance is necessary for the circuit performance optimization. The placement algorithm determines cell positions observing the geometric constraints by vertex-grouping of the constraint graph representing the relative device positions in the input circuit diagram. The routing algorithm, based on the characteristic fine-grid maze router, allows grid-free routing and variable width routings observing the geometric constraints by dynamically generating wiring prohibition. These algorithms are applied to the design of the analog modules. Automatically designed modules are compact and the performance requirements are met.<>
Starting Page	194
Ending Page	197
File Size	399302
Page Count	4
File Format	PDF
ISBN	0818620552
DOI	10.1109/ICCAD.1990.129878
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-11-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Large scale integration Routing Very large scale integration Constraint optimization Wiring Solid modeling Resistors Capacitors Circuit optimization Mesh generation
Content Type	Text
Resource Type	Article

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