VLSI Definitions | |
| Definitions of the terms that are often used in Chip design world. Please help us to improve the list. You can add VLSI terms and its definitions with out registering in the site. | |
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| There are 17 entries in the glossary. | |
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| Term | Definition |
| Scan path | One or more serial shift register chains through which test signals are applied and test results are observed. The scan path registers may also be used in the normal mode of the circuit for status registers, data storage, etc. |
| Schematic capture | The act of entering a circuit schematic into a graphical CAD tool. |
| Semiconductor | A material that is neither a good conductor of electricity (like copper) nor a good insulator (like rubber). The most common semiconductor materials are silicon and germanium. Computer chips, both for CPU and memory, are composed of semiconductor materials. Semiconductors make it possible to miniaturize electronic components, such as transistors. Not only does miniaturization mean that the components take up less space, it also means that they are faster and require less energy. |
| semiconductor device | essentially any homogenous or multilayer piece of semiconductor material which is processed in such way that it can perform in the or photonic (e.g. LED, laser) function. |
| semiconductor laser | Light emitting semiconductor device which in contrast to simple light emitting diode (LED) generates very sharp emission lines and allows modulation bandwidth in a gigahertz range. |
| Serial Interface | A serial interface is one in which data is sent in a single stream of bits, usually on a single wire-plus-ground, wire-pair, or single wireless channel. |
| Silicon on Insulator | A type of fabrication process where silicon is deposited on an insulating substrate. The process layers from top to bottom are: Semiconductor, insulator. |
| Simulation | The use of a CAD tool that mimics the behaviour of the actual circuit through a collection of sub-circuit models enabling designers to test, verify, and debug circuits before layout and fabrication. |
| Slicing | Term refers to the process of cutting of the single-crystal semiconductor into wafers; high precision diamond blades are used. |
| SPICE | Simulation Program for Integrated Circuits Emphasis. An Electronic Circuit simulator used to verify circuit designs and predict the circuit behavior. |
| Sputter yield | Efficiency of the sputtering process; different for different materials. |
| Standard Cell | Standard cells are designed to be interconnected with other cells from the same cell library. |
| Standard evaluation circuit | A device used for maintaining qualification of a QML fabrication line, it is typically a memory device. |
| Stuck-at fault | A deduction about a circuit problem based on a comparison of expected logical outputs to actual outputs. The underlying assumption is that a gate input or output is inhibited by a defect from switching states and is \"stuck at\" a particular value. |
| Surface Micromachining | An additive fabrication technique which involves the building of a device on the top surface of a supporting substrate. This technique is relatively independent of substrate; therefore, it can be easily mixed with other fabrication techniques which modify the substrate first. |
| Synthesis | The CAD operation of automatically generating an integrated circuit layout from a high-level description. |
| System Level | A behavioural description of a system that is an abstraction of the hardware/software implementation level. |
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