ASIC (Application Specific Integrated Circuit) is a special purpose IC designed /customized to run a particular application. An IC designed to make a mobile phone or an IC designed to receive FM signals are examples of ASICs. They are built using existing building blocks with connecting them in new ways. Modern ASICs often incorporates the large building blocks such as entire processor and memory. A hardware description language such as VHDL, Verilog, etc. is used to define the functionality of the ASICs.
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