28 Programmable Logic Devices (PLD) 36

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Part	Manufacturer	Programmable IC Type	Grading Of Temperature	Form Of Terminal	No. of Terminals	Package Code	Package Shape	Package Body Material	Propagation Delay	Surface Mount	Maximum Supply Voltage	No. of Macro Cells	Technology Used	No. of Inputs	Architecture	Nominal Supply Voltage (V)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	In-System Programmable	Output Function	Minimum Supply Voltage	No. of Product Terms	Pitch Of Terminal	Maximum Operating Temperature	Organization	No. of Dedicated Inputs	Minimum Operating Temperature	Finishing Of Terminal Used	Position Of Terminal	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	No. of Outputs	Peak Reflow Temperature (C)	Length	JTAG Boundary Scan Test	No. of I/O Lines
EPS448LC-20	Altera	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy		Yes	5.25 V		CMOS			5		Chip Carrier				Registered	4.75 V		1.27 mm	70 °C (158 °F)	8 Dedicated Inputs, 0 I/O	8	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28		4.572 mm	11.5062 mm	No	Stand-Alone Microsequencer	e0	20 MHz			220 °C (428 °F)	11.5062 mm		0
EPS448JC-25	Altera	UV PLD	Commercial	J Bend	28	WQCCJ	Square	Ceramic, Metal-Sealed Cofired		Yes	5.25 V		CMOS			5		Chip Carrier, Window				Registered	4.75 V		1.27 mm	70 °C (158 °F)	8 Dedicated Inputs, 0 I/O	8	0 °C (32 °F)	Tin Lead	Quad	S-CQCC-J28		4.826 mm	11.43 mm	No	Stand-Alone Microsequencer	e0	25 MHz			220 °C (428 °F)	11.43 mm		0
TIBPAL22V10ACFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		TTL	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.57 mm	11.5062 mm	No	PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock	e3	28.5 MHz	20 s	10	220 °C (428 °F)	11.5062 mm		10
TICPAL22V10Z-25CFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.57 mm	11.5062 mm	No	PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock	e3	31.2 MHz	20 s	10	220 °C (428 °F)	11.5062 mm		10
TIB82S105BCFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	20 ns	Yes	5.25 V		TTL	16	PLS-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Registered	4.75 V	48	1.27 mm	75 °C (167 °F)	16 Dedicated Inputs, 0 I/O	16	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No	Programmable Logic Sequencer		30 MHz		8		11.5062 mm		0
TIBPAL20R4-10CFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		TTL	16	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Mixed	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 4 I/O	12	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No	Register Preload; Power-Up Reset		55.5 MHz		8		11.5062 mm		4
TIBPAL20R6-7CFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	9 ns	Yes	5.25 V		TTL	14	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Mixed	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 2 I/O	12	0 °C (32 °F)		Quad	S-PQCC-J28	1	4.57 mm	11.5062 mm	No	Register Preload; Power-Up Reset		74 MHz		8		11.5062 mm		2
TIBPAL20X10-20CFN	Texas Instruments	OT PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	20 ns	Yes	5.25 V		TTL	10	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Registered	4.75 V	40	1.27 mm	75 °C (167 °F)	10 Dedicated Inputs, 0 I/O	10	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No	Power-Up Reset; 1 External Clock; Register Preload		35 MHz		10		11.5062 mm		0
GAL20V8C-10LJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e0	58.8 MHz	30 s	8	225 °C (437 °F)	11.5062 mm		8
GAL20V8B-15LJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Tin/Lead (Sn85Pb15)	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e0	45.5 MHz	30 s	8	225 °C (437 °F)	11.5062 mm		8
GAL20V8B-25LJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Tin/Lead (Sn85Pb15)	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e0	37 MHz	30 s	8	225 °C (437 °F)	11.5062 mm		8
GAL20V8C-10LJI	Lattice Semiconductor	EE PLD	Industrial	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.5 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.5 V	64	1.27 mm	85 °C (185 °F)	12 Dedicated Inputs, 8 I/O	12	-40 °C (-40 °F)	Tin Lead	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e0	58.8 MHz	30 s	8	225 °C (437 °F)	11.5062 mm		8
TIBPALR19R4CFN	Texas Instruments	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		TTL	19	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Mixed	4.75 V	64	1.27 mm	70 °C (158 °F)	0 Dedicated Inputs, 4 I/O	0	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No	1 External Clock; Register Preload		30 MHz		8		11.5062 mm		4
TIFPLA839CFN	Texas Instruments	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	20 ns	Yes	5.25 V		TTL	14	PLA-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Combinatorial	4.75 V	32	1.27 mm	70 °C (158 °F)	14 Dedicated Inputs, 0 I/O	14	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No					6		11.5062 mm		0
GAL22V10D-10QJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Tin/Lead (Sn85Pb15)	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	10 Macrocells; Shared Input/Clock	e0	83.3 MHz	30 s	10	225 °C (437 °F)	11.5062 mm		10
GAL22V10D-25QJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Tin/Lead (Sn85Pb15)	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	10 Macrocells; Shared Input/Clock	e0	33.3 MHz	30 s	10	225 °C (437 °F)	11.5062 mm		10
EP224LC-10	Altera	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	72	1.27 mm	70 °C (158 °F)	13 Dedicated Inputs, 8 I/O	13	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28		4.572 mm	11.5062 mm	No	8 Macrocells	e0	62.5 MHz		8	220 °C (428 °F)	11.5062 mm		8
EP224LC-12	Altera	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	12 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	72	1.27 mm	70 °C (158 °F)	13 Dedicated Inputs, 8 I/O	13	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28		4.572 mm	11.5062 mm	No	8 Macrocells	e0	90.9 MHz		8	220 °C (428 °F)	11.5062 mm		8
EP224LC-7	Altera	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	7.5 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	72	1.27 mm	70 °C (158 °F)	13 Dedicated Inputs, 8 I/O	13	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28		4.572 mm	11.5062 mm	No	8 Macrocells	e0	100 MHz		8	220 °C (428 °F)	11.5062 mm		8
EP610ILI-25	Altera		Industrial	J Bend	28	QCCJ	Square	Plastic	25 ns	Yes			CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell		160	1.27 mm	85 °C (185 °F)			-40 °C (-40 °F)	Tin Lead	Quad	S-PQCC-J28				No		e0	40 MHz		16	220 °C (428 °F)
GAL22LV10C-10LJ	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	3.6 V		CMOS	22	PAL-TYPE	3.3	3.3 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	3 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Tin/Lead (Sn85Pb15)	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e0	71 MHz		10		11.5062 mm		10
EP610LI-30	Altera	OT PLD	Industrial	J Bend	28	QCCJ	Square	Plastic/Epoxy	32 ns	Yes	5.5 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.5 V	160	1.27 mm	85 °C (185 °F)	4 Dedicated Inputs, 16 I/O	4	-40 °C (-40 °F)	Tin Lead	Quad	S-PQCC-J28				No	Macrocells Interconnected By Global Bus; 16 Macrocells; 2 External Clocks	e0	33.3 MHz		16	220 °C (428 °F)			16
ATF750C-15JC	Atmel	EE PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V	10	CMOS			5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28	2	4.572 mm	11.5062 mm	No		e0	55 MHz			225 °C (437 °F)	11.5062 mm	No	10
ATF750CL-15JC	Atmel	EE PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V	10	CMOS			5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J28	2	4.572 mm	11.5062 mm	No		e0	44 MHz			225 °C (437 °F)	11.5062 mm	No	10
GAL26V12C-15LJI	Lattice Semiconductor	EE PLD	Industrial	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.5 V		CMOS	26	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.5 V	122	1.27 mm	85 °C (185 °F)	12 Dedicated Inputs, 12 I/O	12	-40 °C (-40 °F)	Tin Lead	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e0	55.5 MHz	30 s	12	225 °C (437 °F)	11.5062 mm		12
GAL22V10D-10LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	83.3 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-10QJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	83.3 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-15LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	55.5 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-25QJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	33.3 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-4LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	4 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	167 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-5LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	5 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	142.8 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL22V10D-7LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	7.5 ns	Yes	5.25 V		CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	132	1.27 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No		e3	111 MHz	40 s	10	245 °C (473 °F)	11.5062 mm		10
GAL20V8B-15LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e3	45.5 MHz	40 s	8	245 °C (473 °F)	11.5062 mm		8
GAL20V8B-25LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e3	37 MHz	40 s	8	245 °C (473 °F)	11.5062 mm		8
GAL20V8C-10LJNI	Lattice Semiconductor	EE PLD	Industrial	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.5 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.5 V	64	1.27 mm	85 °C (185 °F)	12 Dedicated Inputs, 8 I/O	12	-40 °C (-40 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e3	58.8 MHz	40 s	8	245 °C (473 °F)	11.5062 mm		8
GAL20V8C-10LJN	Lattice Semiconductor	EE PLD	Commercial Extended	J Bend	28	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	75 °C (167 °F)	12 Dedicated Inputs, 8 I/O	12	0 °C (32 °F)	Matte Tin	Quad	S-PQCC-J28	1	4.572 mm	11.5062 mm	No	Register Preload; Power-Up Reset	e3	58.8 MHz	40 s	8	245 °C (473 °F)	11.5062 mm		8

Programmable Logic Devices (PLD)

Programmable Logic Devices (PLDs) are digital circuits that are designed to be programmed by the user to perform specific logic functions. They consist of an array of configurable logic blocks (CLBs) that can be programmed to perform any digital function, as well as programmable interconnects that allow these blocks to be connected in any way the designer wishes. This makes PLDs highly versatile and customizable, and they are often used in applications where a high degree of flexibility and performance is required.

PLDs are programmed using specialized software tools that allow the designer to specify the logic functions and interconnects that are required for a particular application. This process is known as synthesis and involves translating the high-level design into a format that can be implemented on the PLD hardware. The resulting configuration data is then loaded onto the PLD, allowing it to perform the desired logic functions.

PLDs are used in a wide range of applications, including digital signal processing, computer networking, and high-performance computing. They offer a number of advantages over traditional fixed-function digital circuits, including the ability to be reprogrammed in the field, lower development costs, and faster time-to-market. However, they also have some disadvantages, including higher power consumption and lower performance compared to custom-designed digital circuits.