NDLI: Over-the-cell routing algorithms for industrial cell models

Content Provider	IEEE Xplore Digital Library
Author	Bhingarde, S. Khawaja, R. Panyam, A. Sherwani, N.A.
Copyright Year	1994
Description	Author affiliation: Microprocessor Div., Intel Corp., Hillsboro, OR, USA (Bhingarde, S.)
Abstract	The effective utilization of over-the-cell areas for routing leads to minimization or elimination of channel areas in standard cell designs. In this paper, we present two results. Firstly, we develop a new cell model called Target Based Cell (TBC) designs. Standard cells in TBC designs have terminals in the form of vertical segments in M1 layer. The exact locations for placing interconnect contacts on the targets are determined by the routing algorithms. Cell widths in TBC designs are smaller than the widths in existing cell designs and have improved over-the-cell routing flexibility. Secondly, we develop an efficient router for TBC designs which includes two key features; an optimal O(KL) algorithm (where K, and L are number of cell rows and layout width respectively) for assigning over-the-cell area to each channel, so as to minimize total layout height, and an irregular boundary channel HV-HVH-HV router for over-the-cell and channel areas between terminal rows which optimally utilizes the over-the-cell area.
Starting Page	143
Ending Page	148
File Size	644108
Page Count	6
File Format	PDF
ISBN	0818649909
ISSN	10639667
DOI	10.1109/ICVD.1994.282673
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-01-05
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Benchmark testing Computer science Microprocessors Algorithm design and analysis Standards development
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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