Front-end includes (system specification) RTL designing with the help of Verilog/VHDL language to the circuit design (design synthesis). From here onwards we need the help of EDA tools. The first step in the Physical Design flow is Floor Planning.Floorplanning is the process of identifying structures that should be placed close together, and allocating space for them in such a manner as to meet the sometimes conflicting goals of available space (cost of the chip), required performance, and the desire to have everything close to everything else. VLSI began in the 1970s when MOS integrated circuit chips were widely adopted, enabling complex semiconductor and … VLSI-1 Class Notes Chip & Block Level Clock Routing §Watch out for the clock, it’s your most critical net §Make sure the physical design treats it accordingly §Help reduce clock power by eliminating unnecessary load §Make sure the clock net has enough via coverage §Use a combination of Global (Chip) and Block Level Clock distribution Gate level simulation is mostly done my front end VLSI design engineers even though it is post synthesis; There are also separate job categories like Custom circuit design, Analog and Mixed signal circuit designs – which could be considered separate. The backend includes the journey from logical design to layout design; Floorplan to GDSII (Layout) with the help of EDA tools i.e. It also covers the physical design and fault simulation. Very large-scale integration is the process of creating an integrated circuit by combining millions of MOS transistors onto a single chip. * Name the libraries used in VLSI design flow * classify the libraries that are used in front end and back end (asic) design flow . https://vlsibyjim.blogspot.com/2015/03/vlsi-design-flow.html VLSI Design Flow The chip design includes different types of processing steps to finish the entire flow. For anyone, who just started his carrier as a VLSI engineer has to understand all the steps of the VLSI design flow to become good in his area of … Joined Jan 10, 2007 Messages 338 Helped 174 Reputation 346 Reaction score 162 Trophy points 1,323 Integrated circuit design, or IC design, is a subset of electronics engineering, encompassing the particular logic and circuit design techniques required to design integrated circuits, or ICs.ICs consist of miniaturized electronic components built into an electrical network on a monolithic semiconductor substrate by photolithography. – Extensive design verification needed 6 VLSI Design: Overview • VLSI design is system design – Designing fast inverters is fun, but need knowledge of all aspects of digital design: algorithms, systems, circuits, fabrication, and packaging – Need to bridge gap between abstract vision of digital design and ASIC FLOW: The ASIC flow can be divided into two parts: front-end and backend. VLSI Design 3 Figure: Simplified VLSI Design Flow Behavioral description is then created to analyze the design in terms of functionality, performance, compliance to given standards, and other specifications. While front end design includes digital design using HDL, design verification through simulation and other verification techniques, the design from gates and design for testability, backend design comprises of CMOS library design and its characterization. Emulation , FPGA design and PCB design are also not truly classified in this design flow. RTL description is done using HDLs. VLSI chiefly comprises of Front End Design and Back End design these days. Innovus, Tempus, QRC, PVS, etc. Nov 23, 2011 #2 O. oratie Full Member level 6. 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