Rectangular Programmable Logic Devices (PLD) 2,400+

Reset All

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	Technology Used	Screening Level	No. of Inputs	Architecture	Nominal Supply Voltage (V)	Packing Method	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	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Maximum Clock Frequency	No. of Outputs	Length	JTAG Boundary Scan Test	No. of I/O Lines
5962-8767115KA	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	10 ns	Yes	5.5 V	TTL	MIL-STD-883	20	PAL-TYPE	5		5 V	Flatpack	FL24,.4	Programmable Logic Devices		Combinatorial	4.5 V	64	1.27 mm	125 °C (257 °F)	14 Dedicated Inputs, 6 I/O	14	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.29 mm	9.085 mm	No			50 MHz	8	14.355 mm		6
M38510/50608BRA	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	30 ns	No	5.25 V	TTL	38535Q/M;38534H;883B	12	PAL-TYPE	5	Tube	5 V	In-Line	DIP20,.3	Programmable Logic Devices	No	Mixed	4.75 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 4 I/O	8	-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T20	5.08 mm	6.92 mm	Yes		e0	30 MHz	8	24.2 mm	No	4
TIBPALT19R8CNT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	20 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
TIBPAL22V10-10CNT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	11 ns	No	5.25 V	TTL		22	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Macrocell	4.75 V	132	2.54 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)	Nickel Palladium Gold	Dual	R-PDIP-T24	5.08 mm	7.62 mm	No	PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock	e4	71 MHz	10	31.64 mm		10
5962-8767101LX	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	20 ns	No	5.5 V	TTL	MIL-STD-883		PAL-TYPE	5			In-Line				Combinatorial	4.5 V			125 °C (257 °F)	14 Dedicated Inputs, 6 I/O	14	-55 °C (-67 °F)		Dual	R-GDIP-T24			No							6
SN74LS335N1	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
TIBPAL20X10-20CNT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	20 ns	No	5.25 V	TTL		10	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Registered	4.75 V	40	2.54 mm	75 °C (167 °F)	10 Dedicated Inputs, 0 I/O	10	0 °C (32 °F)		Dual	R-PDIP-T24			No	Power-Up Reset; 1 External Clock; Register Preload		35 MHz	10			0
5962-8515522RX	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	10 ns	No	5.5 V	TTL	MIL-STD-883			5			In-Line				Mixed	4.5 V			125 °C (257 °F)	8 Dedicated Inputs, 4 I/O	8	-55 °C (-67 °F)		Dual	R-GDIP-T20			No			74 MHz				4
5962-8767116LX	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	10 ns	No	5.5 V	TTL	MIL-STD-883			5			In-Line				Registered	4.5 V			125 °C (257 °F)	12 Dedicated Inputs, 0 I/O	12	-55 °C (-67 °F)		Dual	R-GDIP-T24			No			50 MHz				0
8412906KA	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	35 ns	Yes	5.5 V	TTL				5			Flatpack				Mixed	4.5 V		1.27 mm	125 °C (257 °F)	10 Dedicated Inputs, 2 I/O	10	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.286 mm	10.465 mm				15.4 MHz		15.57 mm		2
5962-01-201-6826	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic	20 ns	No		TTL		14	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Registered		64	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T24			No			28.5 MHz	8
5962-8767104LA	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	25 ns	No	5.25 V	TTL	MIL-STD-883	16	PAL-TYPE	5	Tube	5 V	In-Line	DIP24,.3	Programmable Logic Devices	No	Mixed	4.75 V	64	2.54 mm	125 °C (257 °F)	12 Dedicated Inputs, 4 I/O	12	-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T24	5.08 mm	7.62 mm	Yes		e0	40 MHz	8	32.005 mm	No	4
5962-8515520RA	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	12 ns	No	5.5 V	TTL	MIL-STD-883	12	PAL-TYPE	5		5 V	In-Line	DIP20,.3	Programmable Logic Devices		Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 4 I/O	8	-55 °C (-67 °F)		Dual	R-GDIP-T20	5.08 mm	7.62 mm	No			52.5 MHz	8			4
SN54PL16R8-2J	Texas Instruments	EE PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic		No		TTL		8	PAL-TYPE	5		5 V	In-Line	DIP20,.3	Programmable Logic Devices		Registered		64	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T20			No			25 MHz	8
TIBPAL16R6-30MJB	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	30 ns	No	5.5 V	TTL	MIL-STD-883	10	PAL-TYPE	5	Tube	5 V	In-Line	DIP20,.3	Programmable Logic Devices	No	Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 2 I/O	8	-55 °C (-67 °F)	Tin/Lead	Dual	R-GDIP-T20	5.08 mm	7.62 mm	No		e0	25 MHz	6	24.195 mm	No	2
TIBPAL16R6-20MJ	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	20 ns	No	5.5 V	TTL		10	PAL-TYPE	5		5 V	In-Line	DIP20,.3	Programmable Logic Devices		Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 2 I/O	8	-55 °C (-67 °F)		Dual	R-GDIP-T20	5.08 mm	7.62 mm	No	Power-Up Reset		41.6 MHz	6	24.195 mm		2
TIBPAL20X8CNT	Texas Instruments	EE PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		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-PDIP-T24			No			35 MHz	10
TIB82S105BMJB	Texas Instruments	OT PLD	Military	Through-Hole	28	DIP	Rectangular	Ceramic		No		TTL	38535Q/M;38534H;883B	16	PLS-TYPE	5		5 V	In-Line	DIP28,.6	Programmable Logic Devices				48	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T28			No			25 MHz	8
TIBPAL16R8-15CJ	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	12 ns	No	5.25 V	TTL		8	PAL-TYPE	5		5 V	In-Line	DIP20,.3	Programmable Logic Devices		Registered	4.75 V	64	2.54 mm	75 °C (167 °F)	8 Dedicated Inputs, 0 I/O	8	0 °C (32 °F)		Dual	R-GDIP-T20	5.08 mm	7.62 mm	No	Power-Up Reset		50 MHz	8	24.195 mm		0
TIBPAL20SP8-20CNT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	20 ns	No	5.25 V	TTL		20	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial	4.75 V	64	2.54 mm	75 °C (167 °F)	14 Dedicated Inputs, 6 I/O	14	0 °C (32 °F)		Dual	R-PDIP-T24			No				8			6
5962-8767118LA	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	10 ns	No	5.5 V	TTL	MIL-STD-883	16	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	12 Dedicated Inputs, 4 I/O	12	-55 °C (-67 °F)		Dual	R-GDIP-T24	5.08 mm	7.62 mm	No			50 MHz	8	32.005 mm		4
TIBPALT19R8MJWB	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic		No		TTL	38535Q/M;38534H;883B	19	PAL-TYPE	5		5 V	In-Line	DIP24,.6	Programmable Logic Devices		Registered		64	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T24			No				8
TIBPAL22V10-15BCNT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	15 ns	No	5.25 V	TTL		22	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Macrocell	4.75 V	132	2.54 mm	75 °C (167 °F)	11 Dedicated Inputs, 10 I/O	11	0 °C (32 °F)		Dual	R-PDIP-T24			No	PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock		40 MHz	10			10
8412908KX	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	35 ns	Yes	5.5 V	TTL				5			Flatpack				Mixed	4.5 V		1.27 mm	125 °C (257 °F)	10 Dedicated Inputs, 6 I/O	10	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.286 mm	10.465 mm				15.4 MHz		15.57 mm		6
8103613SX	Texas Instruments	OT PLD	Military	Flat	20	DFP	Rectangular	Ceramic, Glass-Sealed	40 ns	Yes	5.5 V	TTL				5			Flatpack				Mixed	4.5 V			125 °C (257 °F)	8 Dedicated Inputs, 2 I/O	8	-55 °C (-67 °F)		Dual	R-GDFP-F20			No			16 MHz				2
TIBPAL20R6-10MWB	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	10 ns	Yes	5.5 V	TTL		14	PAL-TYPE	5		5 V	Flatpack	FL24,.35	Programmable Logic Devices		Mixed	4.5 V	64	1.27 mm	125 °C (257 °F)	12 Dedicated Inputs, 2 I/O	12	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.29 mm	9.085 mm	No			50 MHz	8	14.355 mm		2
8412905KA	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	35 ns	Yes	5.5 V	TTL				5			Flatpack				Combinatorial	4.5 V		1.27 mm	125 °C (257 °F)	12 Dedicated Inputs, 8 I/O	12	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.286 mm	10.465 mm						15.57 mm		8
TIFPLA840MJT	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	30 ns	No	5.5 V	TTL		14	PLA-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial	4.5 V	32	2.54 mm	125 °C (257 °F)	14 Dedicated Inputs, 0 I/O	14	-55 °C (-67 °F)		Dual	R-GDIP-T24			No				6			0
SNJ54LS334W	Texas Instruments	EE PLD	Military	Flat	24	DFP	Rectangular	Ceramic		Yes		TTL	38535Q/M;38534H;883B	12	PLA-TYPE	5		5 V	Flatpack	FL24,.4	Programmable Logic Devices				32	1.27 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDFP-F24			No				6
5962-8515503RA	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	20 ns	No	5.5 V	TTL	MIL-STD-883	10	PAL-TYPE	5	Tube	5 V	In-Line	DIP20,.3	Programmable Logic Devices	No	Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 2 I/O	8	-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T20	5.08 mm	7.62 mm	Yes		e0	41.6 MHz	6		No	2
TIBPAL16R6-15MWB	Texas Instruments	OT PLD	Military	Flat	20	DFP	Rectangular	Ceramic, Glass-Sealed	15 ns	Yes	5.5 V	TTL	MIL-PRF-38535	10	PAL-TYPE	5		5 V	Flatpack	FL20,.3	Programmable Logic Devices		Mixed	4.5 V	64	1.27 mm	125 °C (257 °F)	8 Dedicated Inputs, 2 I/O	8	-55 °C (-67 °F)		Dual	R-GDFP-F20	2.45 mm	6.92 mm	No			50 MHz	6			2
M38510/50503BLA	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed		No	5.5 V	Bipolar	MIL-M-38510 Class B	14	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Mixed	4.5 V	64	2.54 mm	125 °C (257 °F)	12 Dedicated Inputs, 2 I/O	12	-55 °C (-67 °F)		Dual	R-GDIP-T24			No			20 MHz	8			2
TIBPAL22V10-25MJT	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic	25 ns	No		TTL		22	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Macrocell		132	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T24			No			25 MHz	10
TIBPAL20R6-5CJT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	7 ns	No	5.25 V	TTL		14	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Mixed	4.75 V	64	2.54 mm	75 °C (167 °F)	12 Dedicated Inputs, 2 I/O	12	0 °C (32 °F)		Dual	R-GDIP-T24			No	Register Preload; Power-Up Reset		111 MHz	8			2
SN74PL333N	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No		TTL		12	PAL-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			15 MHz	6
TIBPAL20R4-7CJT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	9 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	75 °C (167 °F)	12 Dedicated Inputs, 4 I/O	12	0 °C (32 °F)		Dual	R-GDIP-T24			No	Register Preload; Power-Up Reset		74 MHz	8			4
TIBPLS506CJT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	6 ns	No	5.25 V	TTL		13	PLS-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Registered	4.75 V	97	2.54 mm	75 °C (167 °F)	12 Dedicated Inputs, 0 I/O	12	0 °C (32 °F)		Dual	R-GDIP-T24			No	Field-Programmable Logic Sequencer		33 MHz	8			0
5962-8767106KA	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed		Yes	5.5 V	Bipolar	MIL-STD-883			5			Flatpack				Combinatorial	4.5 V			125 °C (257 °F)	12 Dedicated Inputs	12	-55 °C (-67 °F)		Dual	R-GDFP-F24			No
TIBPAL22VP10-25MJTB	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	25 ns	No	5.5 V	TTL	MIL-STD-883	22	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Macrocell	4.5 V	120	2.54 mm	125 °C (257 °F)	11 Dedicated Inputs, 10 I/O	11	-55 °C (-67 °F)		Dual	R-GDIP-T24	5.08 mm	7.62 mm	No	PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock		25 MHz	10	32.005 mm		10
PAL20L8A-2MJWB	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Ceramic		No		TTL	38535Q/M;38534H;883B	20	PAL-TYPE	5		5 V	In-Line	DIP24,.6	Programmable Logic Devices		Combinatorial		64	2.54 mm	125 °C (257 °F)			-55 °C (-67 °F)		Dual	R-XDIP-T24			No				8
TIBPAL20L8-5CJT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	7 ns	No	5.25 V	TTL		20	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices		Combinatorial	4.75 V	64	2.54 mm	75 °C (167 °F)	14 Dedicated Inputs, 6 I/O	14	0 °C (32 °F)		Dual	R-GDIP-T24			No				8			6
TIFPLA840CNT3	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy		No		TTL		14	PLA-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24							6
TIBPAL20R8-7CJT	Texas Instruments	OT PLD	Commercial Extended	Through-Hole	24	DIP	Rectangular	Ceramic, Glass-Sealed	7.5 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	75 °C (167 °F)	12 Dedicated Inputs, 0 I/O	12	0 °C (32 °F)		Dual	R-GDIP-T24			No	Register Preload; Power-Up Reset		74 MHz	8			0
8412905LA	Texas Instruments	OT PLD	Military	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	35 ns	No	5.5 V	TTL				5			In-Line				Combinatorial	4.5 V		2.54 mm	125 °C (257 °F)	12 Dedicated Inputs, 8 I/O	12	-55 °C (-67 °F)		Dual	R-PDIP-T24	4.064 mm	7.62 mm						30.378 mm		8
M38510/50403BRX	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Metal-Sealed Cofired		No	5.5 V	Bipolar	MIL-M-38510 Class B			5			In-Line				Combinatorial	4.5 V			125 °C (257 °F)	10 Dedicated Inputs, 8 I/O	10	-55 °C (-67 °F)		Dual	R-CDIP-T20			Yes			20 MHz				8
5962-8515521RA	Texas Instruments	OT PLD	Military	Through-Hole	20	DIP	Rectangular	Ceramic, Glass-Sealed	10 ns	No	5.5 V	TTL	MIL-STD-883	8	PAL-TYPE	5	Tube	5 V	In-Line	DIP20,.3	Programmable Logic Devices	No	Registered	4.5 V	64	2.54 mm	125 °C (257 °F)	8 Dedicated Inputs, 0 I/O	8	-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T20	5.08 mm	7.62 mm	Yes		e0	74 MHz	8		No	0
5962-8767119KA	Texas Instruments	OT PLD	Military	Flat	24	DFP	Rectangular	Ceramic, Glass-Sealed	10 ns	Yes	5.5 V	TTL	MIL-STD-883	20	PAL-TYPE	5		5 V	Flatpack	FL24,.4	Programmable Logic Devices		Registered	4.5 V	64	1.27 mm	125 °C (257 °F)	12 Dedicated Inputs, 0 I/O	12	-55 °C (-67 °F)		Dual	R-GDFP-F24	2.29 mm	9.085 mm	No	Register Preload; Power-Up Reset		74 MHz	8	14.355 mm		0
SN74PL840NT	Texas Instruments	OT PLD	Commercial	Through-Hole	24	DIP	Rectangular	Plastic/Epoxy	20 ns	No		TTL		14	PAL-TYPE	5		5 V	In-Line	DIP24,.3	Programmable Logic Devices				32	2.54 mm	70 °C (158 °F)			0 °C (32 °F)		Dual	R-PDIP-T24			No				6

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.