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Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining millions or billions of MOS transistors onto a single chip. VLSI began in the 1970s when MOS integrated circuit (metal oxide semiconductor) chips were developed and then widely adopted, enabling complex semiconductor and telecommunications technologies.
This process is called formal equivalence checking and is a problem that is studied under the broader area of formal verification. A formal equivalence check can be performed between any two representations of a design: RTL <> netlist, netlist <> netlist or RTL <> RTL, though the latter is rare compared to the first two.
Both Aldec simulators are the most cost-effective simulators in the industry, with advanced debugging capabilities and high-performance simulation engines, supports advanced verification methodologies such as assertion based verification and UVM. Aldec simulators have the complete VHDL-2008 implementation and the first to offer VHDL-2019 features.
A DARPA project which ran concurrently, the VLSI Project, having begun two years earlier in 1978, contributed BSD Unix, the RISC processor, the MOSIS research design fab, and greatly furthered the Mead and Conway revolution in VLSI design automation. By contrast, the VHSIC program was comparatively less cost-effective for the funds invested ...
There are three types of functional verification, namely: dynamic functional, hybrid dynamic functional/static, and static verification. [1] Simulation based verification (also called 'dynamic verification') is widely used to "simulate" the design, since this method scales up very easily. Stimulus is provided to exercise each line in the HDL code.
The Open Verification Methodology (OVM) is a documented methodology with a supporting building-block library for the verification of semiconductor chip designs. The initial version, OVM 1.0, was released in January, 2008, [ 1 ] and regular updates have expanded its functionality.
Main source of OVL popularity is the fact that it allows introducing high-level verification concepts to the existing or new designs without requiring new language, e.g. a designer having access to Verilog tools does not need a new language to start using property checking with OVL.
In ESL design and verification, verification testing is used to prove the integrity of the design of the system or device. Numerous verification techniques may be applied; these test methods are usually modified or customized to better accommodate the system or device under test. Common ESL verification methods include, but are not limited to: [7]