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아직은 브로커포럼의 회원사로 가입 준비가 되지 않으셨다면 무료로 MAC932 판매자에게 연락하실 수 있습니다.

Programmable Devices

A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike a logic gate, which has a fixed function, a PLD has an undefined function at the time of manufacture. Before the PLD can be used in a circuit it must be programmed, that is, reconfigured. Before PLDs were invented, read-only memory (ROM) chips were used to create arbitrary combinational logic functions of a number of inputs. Consider a ROM with m inputs (the address lines) and n outputs (the data lines). When used as a memory, the ROM contains 2m words of n bits each. Now imagine that the inputs are driven not by an m-bit address, but by m independent logic signals. Theoretically, there are 22m possible Boolean functions of these m input signals. By Boolean function in this context is meant a single function that maps each of the 2m possible combinations of the m Boolean inputs to a single Boolean output. There are 22m possible distinct ways to map each of 2m inputs to a Boolean value, which explains why there are 22m such Boolean functions of m inputs. Now, consider that each of the n output pins acts, independently, as a logic device that is specially selected to sample just one of the possible 22m such functions. At any given time, only one of the 2m possible input values can be present on the ROM, but over time, as the input values span their full possible domain, each output pin will map out its particular function of the 2m possible input values, from among the 22m possible such functions. Note that the structure of the ROM allows just n of the 22m possible such Boolean functions to be produced at the output pins. The ROM therefore becomes equivalent to n separate logic circuits, each of which generates a chosen function of the m inputs.

Programmable Logic > Programmable Devices > CPLD

부품 번호	DS	제조 업체	D/C	수량	지역	액션
EPM9320ARI208-10		Altera	2024+	3000	Hong Kong	견적 요청서
EPM9320ARI20810		Altera	-	1150	China	견적 요청서
EPM9320ARI208-10		Altera	2021+	1310	U.S.A.	견적 요청서
EPM9320ARI208-10		Altera	2022+	3000	China	견적 요청서
EPM9320ARI208-10		Altera	2024+	6790	Hong Kong	견적 요청서
EPM9320ARI208-10		Altera	2021+	1310	South Korea	견적 요청서
EPM9320ARI208-10		Altera	2022+	1000	China	견적 요청서
EPM9320ARI208-10N		Altera	2022	6557	China	견적 요청서
EPM9320ARI208-10N		Altera	-	21	Poland	견적 요청서
EPM9320ARI208-10N		Altera	2008+	32	Poland	견적 요청서
EPM9320ARI208-10N		Altera	2022+	4210	Singapore	견적 요청서
EPM9320ARI208-10N		Altera	2008+	460	China	견적 요청서
EPM9320ARI208-10N		Altera	200849+	180	Japan	견적 요청서
EPM9320ARI208-10N		Altera	2024+	696	China	견적 요청서
EPM9320ARI208-10N		Altera	2008+	3622	Hong Kong	견적 요청서
EPM9320ARI208-10N		Altera	2024+	6791	Hong Kong	견적 요청서
EPM9320ARI208-10N		Altera	2022+	1000	China	견적 요청서
EPM9320ARI20810N		Altera	-	498	China	견적 요청서
EPM9320RC208-15		Altera	2021+	7200	Singapore	견적 요청서
EPM9320RC208-15		Altera	-	150	China	견적 요청서
EPM9320RC208-15		Altera	2022+	3000	China	견적 요청서
EPM9320RC208-15		Altera	200413+	22	Poland	견적 요청서
EPM9320RC208-15		Altera	2020+	1000	China	견적 요청서
EPM9320RC208-15		Altera	200413+	9	China	견적 요청서
EPM9320RC208-15		Altera	2022+	1000	China	견적 요청서

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