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CS302 GDB Solution Feb 2015

Discussion Topic

Programmable Logic devices can be used as replacement to logic gates and MSI chips, State that how these devices can have an effect on the performance of storage fundamentals, and also discuss which will give better performance? Give arguments in the support of your answer.

Solution: With programmable logic devices, designers use inexpensive software tools to quickly develop, simulate, and test their designs. Then, a design can be quickly programmed into a device, and immediately tested in a live circuit. The PLD that is used for this prototyping is the exact same PLD that will be used in the final production of a piece of end equipment, such as a network router, a DSL modem, a DVD player, or an automotive navigation system. There are no NRE costs and the final design is completed much faster than that of a custom, fixed logic device.

Another key benefit of using PLDs is that during the design phase customers can change the circuitry as often as they want until the design operates to their satisfaction. That’s because PLDs are based on re-writable memory technology – to change the design, the device is simply reprogrammed. Once the design is final, customers can go into immediate production by simply programming as many PLDs as they need with the final software design file.

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