Top-down digital design flow - Microelectronic Systems Laboratory
Top-down digital design flow - Microelectronic Systems Laboratory
Top-down digital design flow - Microelectronic Systems Laboratory
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<strong>Top</strong>-<strong>down</strong> <strong>digital</strong> <strong>design</strong> <strong>flow</strong> 33Chapter 4: Standard cell placement and routingThis chapter presents the main steps to perform the placement and the routing of the synthesized gate‐levelnetlist using standard cells from the AMS <strong>design</strong> kit. The tool used here is Cadence Encounter. The cdsdocon‐line command gives access to the Cadence documentation. The tool also has a Help menu.4.1 Starting the Encounter graphical environmentTo start the Encounter environment, enter the encounter command in a new Unix shell:[85]vachoux@lsmsun1-ADDSUB> encounter -log PAR/LOG/encounter -overwriteMain menuToolbar widgetsStatusTool widgetsdisplay <strong>design</strong> areaDesign display areaSelectabilitytogglesVisibilitytogglesDesign viewsSatellite windowColoroptionsName of selected or queried objectEncounter consoleAuto query ofobjects when enabledNumberof selected objectsAVx / version 3.1 - November 2006
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