A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Strictly speaking, a semiconductor is a material with an electrical conductivity between that of an insulator and that of a conductor. Semiconductors can be single elements such as silicon or germanium or compounds such as gallium arsenide or indium phosphide. In day to day usage, however, the term "semiconductor" more frequently refers to the components manufactured from semiconductor materials.
- V
Voltage
- VA
Volt Ampere
- VAC
Volts Alternating Current
- VAFE
Voice Analog Front-End
- VAM
Value Added Managers
- Vapor
The gaseous form of a material that is normally found in the solid or liquid state at room temperature. Vaporization occurs when particles in the solid or liquid gain enough energy to escape the material, especially with an increase of temperature. The term is frequently employed to refer to water in the gas phase: "water vapor".
- Vapor Plating
A vacuum process, usually at less than 10 -6 Torr (mmg of Hg), where metal(s) are vaporized through thermal agitation, then recrystallized on cooler surfaces, generally the material to be coated. Also referred to as evaporation.
- Vapor Priming
The process for coating the wafer surface with HMDS
- VAR
VARiable
- Variability
The dispersion or scatter exhibited by evaluations of successive events resulting from a common process.
- Variation
Change in the value of a measured characteristic. Sources of variation can be grouped into two major classes: common causes and special causes.
- VAT
Value Added Tax
- VAX
Virtual Address eXtension
Computer made by Digital Equipment Corporation. Widely used in design and development departments.
- VBR
Variable Bit Rate
- VCC
Supply voltage - positive
- VCD
Variable Capacitance Diode
- VCO
Voltage Controlled Oscillator
- VCR
Video Cassette Recorder
Any machine for recording and playing back video signals on tape cassettes.
- VDC
Volts Direct Current
- VDD
Supply voltage - negative
- VDD
Voltage Drain
Commonly used to designate device supply voltage.
- VDS
Visual Die Sort
- VDSL
Very-high-bit-rate Digital Subscriber Loop
- VDU
Visual Display Unit
Obsolete name for computer terminal. Originally used to distinguish between the then standard printing terminals and the new CRT display types.
- VE
Visual Emissions
- Verilog
Hardware description language
- VESA
Video Electronics Standard Association
Organization that standardizes computer video display board architectures and convention.
- VF
Vacuum Fluorescent
- VFC
Voltage to Frequency Converter
- VFO
Variable Frequency Oscillator
- VGA
Video Graphics Array
Video display standard commonly used in personal computers. It has 640x480 pixels and 256 colors.
- VHDL
VHSIC Hardware Description Language
- VHS
Video Home System
Effectively the standard for analog home videocassettes. It has completely replaced rivals Betamax and Video 2000.
- VHSIC
Very High-Speed Integrated Circuit
- VIA
A path filled with conducting material between circuit layers.
- Vinyl chloride (CH2CHCl)
A gaseous organic compound composed of carbon, hydrogen, and chlorine. Vinyl chloride is used to make the plastic polyvinyl chloride (PVC). Vinyl chloride is one of the few chemicals which is known with certainty to be a cause of cancer in humans. In the 1960's-70's, medical and epidemiological studies showed that occupational exposure to vinyl chloride caused an extremely rare liver cancer, angiosarcoma. Discovery of this led to extremely tough standards on occupational exposure to vinyl chloride, so tough that the PVC industry feared that for its continued existence. However, the industry rose to the challenge and has continued to be able to manufacture PVC at economically acceptable prices while meeting the stringent occupational TLV's for vinyl chloride.
- VIP
Video Interface Port
- VIPower®
VIPower is a family of proprietary ST technologies in which discrete power structure are inte-grated with analog and digital control and diagnostic circuitry, resulting in a device that com-bines the robustness of discrete technology with integrated control and diagnostic circuitry.
- Virus
An undesired computer program designed to copy itself from one disk to another furtively. Some simply announce their presence, others cause loss or damage to information.
- Vision
A definition or description of how we want to be viewed by our stakeholders at some fixed time in the future. It defines what kind of company (or division, or department) we want to become as well as how well we should perform. It can have both descriptive and numeric objective.
- VITAL
Vhdl Initiative Towards Asic Libraries
- VLIW
Very Long Instruction Word
- VLSI
Very Large Scale Integration
In R&D missions, the VLSI technologies concern the Agrate, Carrollton, Crolles and Catania sites. An IC that contains 100,000 or more transistors, but less than 10 million.
- VLT
Video Look up Table
- VMB
Visual Management for Breakthrough
- VMI
Vendor Managed Inventory
- VMOS
V-groove Metal-Oxide Semiconductor
- VO
Volatile Organic
- VOC
Volatile Organic Compounds
A category of organic compounds with relatively high vapor pressures, they are a major air contaminant. Most VOCs are carbon-hydrogen compounds (hydrocarbons), but they also may be aldehydes, ketones, chlorinated hydrocarbons, and others. Thousands of individual compounds exist, including the unburned hydrocarbon compounds emitted from automobiles or industrial processes and the organic solvents lost to evaporation from household, commercial, or industrial cleaning and painting operations, and other activities. Most VOCs participate in the atmospheric reactions that lead to photochemical air pollution ("photochemical smog"), and excessive exposure to certain individual compounds is associated with skin irritation, central nervous system depression, and/or an increased risk of cancer.
- VOL
VOLume
- Volatile
If the power is turned off, you lose your data.
- Voltage
Electron potential in an electrical wire or circuit. Usually expressed in volts (V).
- VOM
Volt OhmMeter
- VOX
Voice Operated transmit ("trans"=X as in "Xmitter")
- VP
1) Vice President Executive level corporate officer.
2) Vapor Pressure
- VPN
Virtual Private Network
- VR
Voltage Regulator
- VRAM
Video Random Access Memory
RAM memory used to store images in real-time display applications.
- VS
1)Voltage Supervisor
2)Vertical Sync
- VSD
Virtually Safe Dose
- VSIA
Virtual System Interface Alliance
- VSS
Supply Voltage - negative
- VSS
Voltage Source
Commonly used to designate device ground - negative.
- VT
Virtual Terminal
- VTL
Variable Threshold Logic
- VTM
Voltage Tunable Magnetron
- VTVM
Vacuum Tube Volt Meter
- VVI
Virtual Vertical Integration
- VWAT
Versawatt
ST proprietary name for TO-220 package.
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