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Compare FPGAs with CPLDs.

written 4.7 years ago by teamques10 ★ 70k

digital electronics

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written 4.7 years ago by teamques10 ★ 70k

Sr. No,	CPLD	FGPA
1	CPLD stands for Complex Programmable Logic Device	FPGA stands for Field Programmable Gate Array
2	CPLDs contain just a few thousand logic blocks	FPGAs contain around one tenth of a million logic blocks
3	The functional blocks are connected together by a global interconnection matrix	The logic blocks are interconnected by programmable paths called routing channels
4	In terms of architecture,these are considered to be 'coarse grain' devices	In terms of architecture,these are considered to be 'fine grain' devices
5	CPLD is an EPROM based chip	FPGA is a RAM based chip
6	Delays are more predictable in CPLD	Delays are very unpredictable in FPGA due to its architecture
7	CPLDs are relatively cheaper	FPGAs are more expensive

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