Commercial Programmable Logic Devices (PLD) 2,400+

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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
EP630-20CFN	Texas Instruments	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	22 ns	Yes	5.25 V		CMOS	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell	4.75 V	160	1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 16 I/O	4	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No	16 Macrocells; 2 External Clocks; Asynchronous Clocks		35.7 MHz		16		11.5062 mm		16
SN74S330N	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLA-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices				50	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T20				No					6
TICPAL22V10Z-25FN	Texas Instruments		Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	35 ns	Yes			CMOS	22	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Macrocell		132	1.27 mm	70 °C (158 °F)			0 °C (32 °F)		Quad	S-PQCC-J28				No			28.5 MHz		10
EP330-12CN	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy	13 ns	No	5.25 V		CMOS	18	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Macrocell	4.75 V	72	2.54 mm	70 °C (158 °F)	9 Dedicated Inputs, 8 I/O	9	0 °C (32 °F)		Dual	R-PDIP-T20		5.08 mm	7.62 mm	No	8 Macrocells; 1 External Clock; Shared Input/Clock		71.4 MHz		8		24.325 mm		8
EP1830-20CFN	Texas Instruments	OT PLD	Commercial	J Bend	68	QCCJ	Square	Plastic/Epoxy	22 ns	Yes	5.25 V	48	CMOS			5	5 V	Chip Carrier	LDCC68,1.0SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	12 Dedicated Inputs, 48 I/O	12	0 °C (32 °F)		Quad	S-PQCC-J68		4.57 mm	24.2316 mm	No	F_Max for 12-bit counter application is 50 MHz; Labs interconnected by PIA; 4 Labs; 48 Macrocells						24.2316 mm	No	48
PAL16R4A-2CN	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy	35 ns	No			TTL	12	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Registered		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T20				No			28.6 MHz		8
SN74LS335NP1	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLS-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No					6
5962-01-406-5969	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	25 ns	No			TTL	20	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No					8
SN74LS335J4	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic		No			TTL	12	PLS-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T24									6
PAL20L8A-2CNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	20	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No					8
SN74S330N1	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLA-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices				50	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T20				No					6
SN74LS333NP1	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLS-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No					6
EP330-15CJ	Texas Instruments		Commercial	Through-Hole	20	DIP	Rectangular	Ceramic	15 ns	No			CMOS	18	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Macrocell		72	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T20				No			42 MHz		8
82S167ACNT3	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	14	PLS-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices				48	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24							12.5 MHz		6
TIBPALT19R4CJW	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	25 ns	No	5.25 V		TTL	19	PAL-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices		Mixed	4.75 V	64	2.54 mm	70 °C (158 °F)	0 Dedicated Inputs, 4 I/O	0	0 °C (32 °F)		Dual	R-GDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				4
PAL20R4ACNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	25 ns	No	5.25 V		TTL	16	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Mixed	4.75 V	64	2.54 mm	70 °C (158 °F)	12 Dedicated Inputs, 4 I/O	12	0 °C (32 °F)		Dual	R-PDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				4
5962-01-326-6082	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy	15 ns	No			TTL	16	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Combinatorial		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T20				No					8
TIBPALR19R4CNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	25 ns	No	5.25 V		TTL	19	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Mixed	4.75 V	64	2.54 mm	70 °C (158 °F)	0 Dedicated Inputs, 4 I/O	0	0 °C (32 °F)		Dual	R-PDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				4
PAL16R8ACFN	Texas Instruments	OT PLD	Commercial	J Bend	20	QCCJ	Square	Plastic/Epoxy		Yes			TTL	8	PAL-TYPE	5	5 V	Chip Carrier	LDCC20,.4SQ	Programmable Logic Devices		Registered		64	1.27 mm	70 °C (158 °F)			0 °C (32 °F)		Quad	S-PQCC-J20				No			35 MHz		8
EP1810JC-35	Texas Instruments	UV PLD	Commercial	J Bend	68	QCCJ	Square	Ceramic, Metal-Sealed Cofired	40 ns	Yes	5.25 V	48	CMOS			5	5 V	Chip Carrier	LDCC68,1.0SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	12 Dedicated Inputs, 48 I/O	12	0 °C (32 °F)		Quad	S-CQCC-J68				No	48 Macrocell; Configurable I/O		40 MHz					No	48
PAL20L8ACFN	Texas Instruments	OT PLD	Commercial	J Bend	28	QCCJ	Square	Plastic/Epoxy	25 ns	Yes	5.25 V		TTL	20	PAL-TYPE	5	5 V	Chip Carrier	LDCC28,.5SQ	Programmable Logic Devices		Combinatorial	4.75 V	64	1.27 mm	70 °C (158 °F)	14 Dedicated Inputs, 6 I/O	14	0 °C (32 °F)		Quad	S-PQCC-J28		4.57 mm	11.5062 mm	No					8		11.5062 mm		6
TIBPAL20X4CNT	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	16	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices				40	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No			35 MHz		10
PAL16R4ACJ	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Ceramic		No			TTL	12	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Registered		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T20				No					8
PAL20R4ACJW	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	25 ns	No	5.25 V		TTL	16	PAL-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices		Mixed	4.75 V	64	2.54 mm	70 °C (158 °F)	12 Dedicated Inputs, 4 I/O	12	0 °C (32 °F)		Dual	R-GDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				4
PAL20R8ACNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	25 ns	No	5.25 V		TTL	12	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Registered	4.75 V	64	2.54 mm	70 °C (158 °F)	12 Dedicated Inputs, 0 I/O	12	0 °C (32 °F)		Dual	R-PDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				0
TIBPALR19R8CNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	25 ns	No	5.25 V		TTL	19	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Registered	4.75 V	64	2.54 mm	70 °C (158 °F)	0 Dedicated Inputs, 0 I/O	0	0 °C (32 °F)		Dual	R-PDIP-T24				No	1 External Clock; Register Preload		30 MHz		8				0
SN74LS333N	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLS-TYPE	5	5 V	In-Line	DIP24,.6	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24				No					6
TIBPAL20X8CJT	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic		No			TTL	12	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices				40	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T24				No			35 MHz		10
TIB82S167BCJT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic		No			TTL	14	PLS-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices				48	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T24				No			30 MHz		6
SN74S331N3	Texas Instruments	OT PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy		No			TTL	12	PLA-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices				50	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T20									6
TIBPAL20L10CJT	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic	20 ns	No			TTL	20	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial		40	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-XDIP-T24				No					10
MACH210A-7JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	7.5 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	100 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210AQ-20JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	20 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	40 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210-12JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	12 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	66.7 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210-20JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	20 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	40 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210A-12JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	12 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	66.7 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210AQ-12JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	12 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	66.7 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210A-10VC	Analog Devices	EE PLD	Commercial	Gull Wing	44	TQFP	Square	Plastic/Epoxy	10 ns	Yes	5.25 V	64	CMOS			5	5 V	Flatpack, Thin Profile	TQFP44,.47SQ,32	Programmable Logic Devices	No	Macrocell	4.75 V		.8 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQFP-G44	3	1.2 mm	10 mm	No		e0	80 MHz			240 °C (464 °F)	10 mm	No	32
MACH210A-12VC	Analog Devices	EE PLD	Commercial	Gull Wing	44	TQFP	Square	Plastic/Epoxy	12 ns	Yes	5.25 V	64	CMOS			5	5 V	Flatpack, Thin Profile	TQFP44,.47SQ,32	Programmable Logic Devices	No	Macrocell	4.75 V		.8 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQFP-G44	3	1.2 mm	10 mm	No		e0	66.7 MHz			240 °C (464 °F)	10 mm	No	32
MACH210A-10JC	Analog Devices	EE PLD	Commercial	J Bend	44	QCCJ	Square	Plastic/Epoxy	10 ns	Yes	5.25 V	64	CMOS			5	5 V	Chip Carrier	LDCC44,.7SQ	Programmable Logic Devices	No	Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J44	3	4.57 mm	16.5862 mm	No		e0	80 MHz	30 s		225 °C (437 °F)	16.5862 mm	No	32
MACH210A-7VC	Analog Devices	EE PLD	Commercial	Gull Wing	44	TQFP	Square	Plastic/Epoxy	7.5 ns	Yes	5.25 V	64	CMOS			5	5 V	Flatpack, Thin Profile	TQFP44,.47SQ,32	Programmable Logic Devices	No	Macrocell	4.75 V		.8 mm	70 °C (158 °F)	4 Dedicated Inputs, 32 I/O	4	0 °C (32 °F)	Tin Lead	Quad	S-PQFP-G44	3	1.2 mm	10 mm	No		e0	100 MHz			240 °C (464 °F)	10 mm	No	32
GAL20V8-35QB1	STMicroelectronics	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	35 ns	No			CMOS	20	PAL-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices		Macrocell		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)	Tin Lead	Dual	R-PDIP-T24				No		e0	18.1 MHz		8
GAL39V18-15HD1	STMicroelectronics	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Ceramic	15 ns	No			CMOS	20	PLS-TYPE	5	5 V	In-Line	DIP24,.3	Programmable Logic Devices				75	2.54 mm	70 °C (158 °F)			0 °C (32 °F)	Tin Lead	Dual	R-XDIP-T24				No		e0	67 MHz		10
GAL16V8AS-15EC1	STMicroelectronics	EE PLD	Commercial	J Bend	20	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V		CMOS			5		Chip Carrier				Macrocell	4.75 V		1.27 mm	70 °C (158 °F)	8 Dedicated Inputs, 8 I/O	8	0 °C (32 °F)		Quad	S-PQCC-J20		4.57 mm	8.9662 mm	No	Pal With Macros; 8 Macros; 1 External Clock; Shared Input/Clock; Register Preload; Power-Up Reset		41.6 MHz				8.9662 mm		8
GAL16V8S-20EB1	STMicroelectronics	EE PLD	Commercial	Through-Hole	20	DIP	Rectangular	Plastic/Epoxy	20 ns	No	5.25 V		CMOS	18	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Macrocell	4.75 V	64	2.54 mm	70 °C (158 °F)	8 Dedicated Inputs, 8 I/O	8	0 °C (32 °F)	Tin Lead	Dual	R-PDIP-T20		3.93 mm	7.62 mm	No	Pal With Macros; 8 Macros; 1 External Clock; Shared Input/Clock; Register Preload; Power-Up Reset	e0	33.3 MHz		8		25.15 mm		8
GAL16V8AS-15QC1	STMicroelectronics	EE PLD	Commercial	J Bend	20	QCCJ	Square	Plastic/Epoxy	15 ns	Yes	5.25 V		CMOS	18	PAL-TYPE	5	5 V	Chip Carrier	LDCC20,.4SQ	Programmable Logic Devices		Macrocell	4.75 V	64	1.27 mm	70 °C (158 °F)	8 Dedicated Inputs, 8 I/O	8	0 °C (32 °F)	Tin Lead	Quad	S-PQCC-J20		4.57 mm	8.9662 mm	No	Pal With Macros; 8 Macros; 1 External Clock; Shared Input/Clock; Register Preload; Power-Up Reset	e0	41.6 MHz		8		8.9662 mm		8
GAL16V8-15HF1	STMicroelectronics	EE PLD	Commercial	Through-Hole	20	DIP	Rectangular	Ceramic	15 ns	No			CMOS	18	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Macrocell		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)	Tin Lead	Dual	R-XDIP-T20				No		e0	41.6 MHz		8
GAL16V8-25HD1	STMicroelectronics	EE PLD	Commercial	Through-Hole	20	DIP	Rectangular	Ceramic	25 ns	No			CMOS	18	PAL-TYPE	5	5 V	In-Line	DIP20,.3	Programmable Logic Devices		Macrocell		64	2.54 mm	70 °C (158 °F)			0 °C (32 °F)	Tin Lead	Dual	R-XDIP-T20				No		e0	28.5 MHz		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.