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semiconductor intellectual property core
In electronic design a semiconductor intellectual property core, IP core, or IP block is a reusable unit of logic, cell, or chip layout design that is the intellectual property of one party. IP cores may be licensed to another party or can be owned and used by a single party alone. The term is derived from the licensing of the patent and/or source code copyright that exist in the design. IP cores can be used as building blocks within ASIC chip designs or FPGA logic designs.
==History==
IP cores in the electronic design industry have had a profound impact on the design of systems on a chip. By licensing a design multiple times, an IP core licensor spreads the cost of development among multiple chip makers. IP cores for standard processors, interfaces, and internal functions have enabled chip makers to put more of their resources into developing the differentiating features of their chips. As a result, chip makers have developed innovations more quickly.
The licensing and use of IP cores in chip design came into common practice in the 1990s. There were many licensors and also many foundries competing on the market. Today, the most widely licensed IP cores are from ARM Holdings (43.2% market share in 2013), Synopsys Inc. (13.9% market share in 2013), Imagination Technologies (9% market share in 2013) and Cadence Design Systems (5.1% market share in 2013).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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