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What Is Difference Between ASIC & ASSPs

Hello Dear Reader,



Here I will give you short notes on that what is a basic difference between ASIC (Application Specific Integrated Circuit) and ASSPs (Application - Specific Standard Products).

An application-specific integrated circuit (ASIC) is an integrated circuit composed of electrical components, such as transistors, capacitors, and resistors, fabricated on a wafer composed of silicon or other semiconductor material that is customized for a particular use. Two examples of ASICs are a voice recorder and a high-efficiency Bitcoin miner. Over the years, the size of components used in ICs has shrunk, meaning that more complex circuits can be created using the same space. Because of this shrinking of components, some ASICs have now become large enough to contain multiple microprocessors and other complexes subsystems. 

Application-specific standard products (ASSPs), on the other hand, are ICs that are dedicated to a specific application market and sold to more then one user (and hence, standard) in contrast to ASICs, which are designed for, and sold to, a single customer. Some examples of ASSPs are microcontrollers and the system chips at the hearts of many smartphones and tablets. ASICs and ASSPs are specifically designed for dedicated functionality. Because of the tight control of their configuration, ASICs and ASSPs are very compact, inexpensive, fast, and low-power, which are all highly desirable traits in electronics design. Because their function is hard-wired at the time of manufacture, it isn’t easy to change the functionality of even a small part of the circuit. In fact, because these circuits are permanently fabricated on silicon wafers, you simply can’t take apart the circuitry and replace it with something else. If you need to change something in the design, you have to scrap the whole chip and start again.

Endnotes:

1.FPGAs for Dummies, Altera Version, available here: http://design.altera.com/New2FPGAeBook, 
2.Design Recipes for FPGAs Using Verilog and VHDL, 2nd Edition, by Peter Wilson,


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