Sources are published in VHDL or Verilog. Projects range from Serial UART controllers to dedicated cryptographic chips. The entire semiconductor industry relies on being able to some of the most precise engineering in the world, involving accuracy at the molecular level. Berkeley University lets us get into the nitty gritty of chip construction with a collection of lithographic simulation tools, in two and three dimensions. The simulators are controlled through simple web forms and java applets.
Users can select masks, exposure tools, and place defects.
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