NOR GATE Logic Gates 2,400+

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Schmitt Trigger	Surface Mount	No. of Functions	Technology	Screening Level	No. of Inputs	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	Package Style (Meter)	Package Equivalence Code	Propagation Delay (tpd)	Maximum I (ol)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Minimum Supply Voltage (Vsup)	Maximum Power Supply Current (ICC)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Family
5962-8973602EA	Texas Instruments	NOR GATE	MILITARY		14			CERAMIC, METAL-SEALED COFIRED			3	CMOS		3		4.5			FLATPACK		145 ns				125 Cel		-55 Cel		DUAL			6 V			Not Qualified	2 V							HC/UH
SN74LS33N1	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	4	TTL		2		5	5		IN-LINE	DIP14,.3	32 ns		Gates	2.54 mm	70 Cel	OPEN-COLLECTOR	0 Cel		DUAL	R-PDIP-T14		5.25 V			Not Qualified	4.75 V
SN74ALS28AN1	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	4	TTL		2		5	5		IN-LINE	DIP14,.3	8 ns		Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T14		5.5 V			Not Qualified	4.5 V				NOT SPECIFIED	NOT SPECIFIED		ALS
SN74AS1036N	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		TTL				5	5		IN-LINE	DIP14,.3			Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T14					Not Qualified
SN74HC27DRG4	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	3	CMOS		3	TR	5	2/6	50 pF	SMALL OUTLINE	SOP14,.25	115 ns	4 Amp	Gates	1.27 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G14	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V			e4	30	260	8.65 mm	HC/UH
5962-9757801QDA	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	YES	4	TTL	MIL-PRF-38535 Class Q	2	TUBE	5	5	50 pF	FLATPACK	FL14,.3	7.5 ns	1 Amp	Gate	1.27 mm	125 Cel		-55 Cel	Tin/Lead (Sn/Pb)	DUAL	R-GDFP-F14		5.5 V	2.03 mm	6.285 mm	Qualified	4.5 V	13 mA		e0	NOT SPECIFIED	NOT SPECIFIED	9.21 mm	F/FAST
SNJ54LS28W	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	YES	4	TTL	38535Q/M;38534H;883B	2		5	5	45 pF	FLATPACK	FL14,.3	24 ns		Gates	1.27 mm	125 Cel		-55 Cel		DUAL	R-GDFP-F14		5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	13.8 mA			NOT SPECIFIED	NOT SPECIFIED	9.21 mm	LS
SN74ALS33N1	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	4	TTL		2		5	5		IN-LINE	DIP14,.3	33 ns		Gates	2.54 mm	70 Cel	OPEN-COLLECTOR	0 Cel		DUAL	R-PDIP-T14		5.5 V			Not Qualified	4.5 V				NOT SPECIFIED	NOT SPECIFIED
5962-01-069-7278	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		CMOS					5/15	50 pF	IN-LINE	DIP14,.3		.3 Amp	Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-PDIP-T14					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74AS1036JP4	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	NO		TTL				5	5		IN-LINE	DIP14,.3			Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-XDIP-T14
SNJ5427W-10	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED		YES	3	TTL		3		5		15 pF	FLATPACK		11 ns			1.27 mm	125 Cel		-55 Cel		DUAL	R-GDFP-F14		5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	26 mA					9.21 mm	TTL/H/L
SN54HC805FK-00	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS		2		5		150 pF	CHIP CARRIER		55 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SN74AUP1G02DBVT	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	5	LSSOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	1	CMOS		2	TR	1.2	1.2/3.3	30 pF	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	26.2 ns	4 Amp	Gates	.95 mm	85 Cel	3-STATE	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G5	1	3.6 V	1.45 mm	1.6 mm	Not Qualified	.8 V	.0009 mA		e4	NOT SPECIFIED	260	2.9 mm	AUP/ULP/V
SN54LS33W	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	YES	4	TTL		2		5	5	45 pF	FLATPACK	FL14,.3	28 ns		Gates	1.27 mm	125 Cel	OPEN-COLLECTOR	-55 Cel		DUAL	R-GDFP-F14		5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	13.8 mA			NOT SPECIFIED	NOT SPECIFIED	9.21 mm	LS
SN74HC7002PWR	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	YES	4	CMOS		2	TR	5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	163 ns	4 Amp	Gates	.65 mm	85 Cel		-40 Cel		DUAL	R-PDSO-G14		6 V	1.2 mm	4.4 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	5 mm	HC/UH
SN74HC805NP3	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		CMOS				5	2/6		IN-LINE	DIP20,.3			Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-PDIP-T20		6 V				2 V
SNJ54HC02FH	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES	4	CMOS	38535Q/M;38534H;883B	2		5	2/6		CHIP CARRIER	LCC20,.35SQ	135 ns		Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20		6 V			Not Qualified	2 V
SNJ54HC4002FK-00	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2	CMOS		4		5		50 pF	CHIP CARRIER		33 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SN54AS02J-00	Texas Instruments	NOR GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	4	TTL		2		5		50 pF	IN-LINE		5 ns			2.54 mm	125 Cel		-55 Cel		DUAL	R-GDIP-T14		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	20.1 mA					19.56 mm	AS
74AHCT1G02DCKTG4	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	5	TSSOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	1	CMOS		2	TR	5	5		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP5/6,.08	8.5 ns	8 Amp	Gate	.65 mm	85 Cel	3-STATE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G5	1	5.5 V	1.1 mm	1.25 mm	Not Qualified	4.5 V			e4	30	260	2 mm	AHCT/VHCT/VT
SN74AS27NP1	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	3	TTL		3		5	5		IN-LINE	DIP14,.3	5.5 ns	20 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T14		5.5 V			Not Qualified	4.5 V	17.1 mA
SN74ALS805ADWE4	Texas Instruments	NOR GATE	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	6	TTL		2	TUBE	5		50 pF	SMALL OUTLINE	SOP20,.4	8 ns	24 Amp	Gates	1.27 mm	70 Cel		0 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	14 mA	IOH = 15MA @ VOH = 2V; IOL = 24MA @ VOL = 0.5V		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
SN74HC4002J4	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	NO	2	CMOS		4		5	2/6		IN-LINE	DIP14,.3	140 ns		Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-XDIP-T14		6 V				2 V
SN54HC27FK-00	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	3	CMOS		3		5		50 pF	CHIP CARRIER		27 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SN74HCT02PWTG4	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	4	CMOS		2	TR	5	5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	25 ns	4 Amp	Gates	.65 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G14	1	5.5 V	1.2 mm	4.4 mm	Not Qualified	4.5 V			e4	30	260	5 mm	HCT
SN74HC36NP3	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	4	CMOS		2					IN-LINE	DIP14,.3	125 ns		Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-PDIP-T14		6 V				2 V
SN74LVC02ADG4	Texas Instruments	NOR GATE	AUTOMOTIVE	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	4	CMOS		2	TUBE	1.8	3.3	50 pF	SMALL OUTLINE	SOP14,.25	10.4 ns	24 Amp	Gates	1.27 mm	125 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G14	1	3.6 V	1.75 mm	3.9 mm	Not Qualified	1.65 V			e4	30	260	8.65 mm	LVC/LCX/Z
SNJ54ALS27FH	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES	3	TTL	38535Q/M;38534H;883B	3		5	5		CHIP CARRIER	LCC20,.35SQ	26 ns		Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20		5.5 V			Not Qualified	4.5 V
SN74AHC02RGYRG4	Texas Instruments	NOR GATE	AUTOMOTIVE	NO LEAD	14	HVQCCN	SQUARE	PLASTIC/EPOXY	NO	YES	4	CMOS		2	TR	3.3	2/5.5	50 pF	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC14/18,.14SQ,20	13 ns	8 Amp	Gates	.5 mm	125 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	S-PQCC-N14	2	5.5 V	1 mm	3.5 mm	Not Qualified	2 V	.02 mA		e4	NOT SPECIFIED	260	3.5 mm	AHC/VHC/H/U/V
SNJ54L02T-13	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED		YES	4	TTL		2		5		50 pF	FLATPACK		60 ns				125 Cel		-55 Cel		DUAL	R-GDFP-F14		5.5 V			Not Qualified	4.5 V	2.6 mA						TTL/H/L
SNJ54ALS805AJ	Texas Instruments	NOR GATE	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	NO	6	TTL	MIL-PRF-38535	2		5		50 pF	IN-LINE	DIP20,.3	9 ns	12 Amp	Gates	2.54 mm	125 Cel		-55 Cel		DUAL	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	14 mA	IOH = 12MA @ VOH = 2V; IOL = 12MA @ VOL = 0.4V		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	ALS
SN74LVC1G02MYZPREP	Texas Instruments	NOR GATE	MILITARY	BALL	5	VFBGA	RECTANGULAR	UNSPECIFIED	NO	YES	1	CMOS		2	TR	1.8	3.3	50 pF	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA5,2X3,20	10.7 ns	24 Amp	Gates	.5 mm	125 Cel		-55 Cel		BOTTOM	R-XBGA-B5		5.5 V	.5 mm	.9 mm	Not Qualified	1.65 V						1.4 mm	LVC/LCX/Z
SNJ54HC02FK-00	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS		2		5		50 pF	CHIP CARRIER		27 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
5962-8404201VDA	Texas Instruments	NOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	YES	3	CMOS	MIL-PRF-38535 Class V	3		5	2/6	50 pF	FLATPACK	FL14,.3	135 ns	4 Amp	Gate	1.27 mm	125 Cel		-55 Cel		DUAL	R-GDFP-F14		6 V	2.03 mm	6.285 mm	Not Qualified	2 V						9.21 mm	HC/UH
SN74AS02DP3	Texas Instruments	NOR GATE	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5		SMALL OUTLINE	SOP14,.25	4.5 ns		Gates	1.27 mm	70 Cel		0 Cel		DUAL	R-PDSO-G14		5.5 V				4.5 V
SN74HC27FH	Texas Instruments	NOR GATE	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES	3	CMOS		3		5	2/6		CHIP CARRIER	LCC20,.35SQ	115 ns		Gates	1.27 mm	85 Cel		-40 Cel		QUAD	S-XQCC-N20		6 V			Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED
SN74LS27N-00	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	3	TTL		3		5		15 pF	IN-LINE		15 ns			2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	6.8 mA					19.305 mm	LS
SN74ALS33AFN3	Texas Instruments	NOR GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5		CHIP CARRIER	LDCC20,.4SQ	33 ns		Gates	1.27 mm	70 Cel	OPEN-COLLECTOR	0 Cel		QUAD	S-PQCC-J20		5.5 V				4.5 V				NOT SPECIFIED	NOT SPECIFIED
SN74HCT02N-10	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	4	CMOS		2		5		50 pF	IN-LINE		25 ns			2.54 mm	85 Cel		-40 Cel		DUAL	R-PDIP-T14		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V						19.305 mm	HCT
5962-9757801Q2X	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	TTL	MIL-PRF-38535 Class Q	2		5		50 pF	CHIP CARRIER		7.5 ns	20 Amp		1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	4.5 V	13 mA			NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
SN74AHC02-W	Texas Instruments	NOR GATE	AUTOMOTIVE	NO LEAD		DIE	RECTANGULAR	UNSPECIFIED		YES	4	CMOS		2		5			UNCASED CHIP		13 ns				125 Cel		-40 Cel		UPPER	R-XUUC-N		5.5 V				2 V							AHC/VHC/H/U/V
SN74ALVC1G02DCKR	Texas Instruments	NOR GATE	INDUSTRIAL	GULL WING	5	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		2		1.8			SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP5/6,.08				.65 mm	85 Cel		-40 Cel		DUAL	R-PDSO-G5		3.6 V	1.1 mm	1.25 mm	Not Qualified	1.65 V						2 mm	ALVC/VCX/A
SN74HC02J	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	NO		CMOS				5	2/6		IN-LINE	DIP14,.3			Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-XDIP-T14		6 V			Not Qualified	2 V
SN74LVC02ADTE4	Texas Instruments	NOR GATE	AUTOMOTIVE	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	4	CMOS		2	TR	1.8	3.3	50 pF	SMALL OUTLINE	SOP14,.25	10.4 ns	24 Amp	Gates	1.27 mm	125 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G14	1	3.6 V	1.75 mm	3.9 mm	Not Qualified	1.65 V			e4	30	260	8.65 mm	LVC/LCX/Z
SN74HC27N3	Texas Instruments	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		CMOS				5	2/6		IN-LINE	DIP14,.3			Gates	2.54 mm	85 Cel		-40 Cel		DUAL	R-PDIP-T14		6 V				2 V				NOT SPECIFIED	NOT SPECIFIED
SN54AS805AFH-00	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	TTL		2		5		50 pF	CHIP CARRIER		4.5 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	32 mA					8.89 mm	AS
SN54ALS02J-00	Texas Instruments	NOR GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	4	TTL		2		5		50 pF	IN-LINE		11 ns			2.54 mm	125 Cel		-55 Cel		DUAL	R-GDIP-T14		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	4 mA					19.56 mm	ALS
5962-8869501RX	Texas Instruments	NOR GATE	MILITARY		14			CERAMIC, METAL-SEALED COFIRED			3	CMOS		3		4.5			FLATPACK		145 ns				125 Cel		-55 Cel		DUAL			6 V			Not Qualified	2 V							HC/UH

Logic Gates

Logic gates are electronic circuits that perform basic logical operations on one or more inputs to produce a single output. They are the building blocks of digital circuits and are used to implement digital logic functions, such as AND, OR, NOT, XOR, and NAND.

Logic gates are designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can be classified into three main types based on their operation: combinational logic gates, sequential logic gates, and programmable logic gates.

Combinational logic gates are logic gates that produce an output based solely on the current input values. These gates include the AND gate, OR gate, NOT gate, XOR gate, and NAND gate. The output of a combinational logic gate depends on the input values and the logic function implemented by the gate.

Sequential logic gates are logic gates that have memory elements and can store information. These gates include the SR flip-flop, D flip-flop, JK flip-flop, and T flip-flop. The output of a sequential logic gate depends on the current input values and the previous state of the gate.

Programmable logic gates are logic gates that can be programmed to implement different logic functions. These gates include programmable logic arrays (PLAs), programmable array logic (PALs), and field-programmable gate arrays (FPGAs). Programmable logic gates can be reprogrammed to adapt to changing system requirements.

Logic gates are used in various applications, including digital signal processing, control systems, and memory systems. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.