20 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
SN54AS04FH-00	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	TTL		1		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	26.3 mA					8.89 mm	AS
SN74AS832AJ4	Texas Instruments	OR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	NO	6	TTL		2		5	5		IN-LINE	DIP20,.3	9 ns		Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-XDIP-T20		5.5 V				4.5 V	36 mA
SN54LS386AFK	Texas Instruments	XOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	TTL		2		5		15 pF	CHIP CARRIER		22 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	10 mA					8.89 mm	LS
SN54HCU04FK	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	6	CMOS		1		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	120 ns	5.2 Amp	Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SNJ54AS1805J	Texas Instruments	NOR GATE	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	NO	6	TTL	38535Q/M;38534H;883B	2		5	5	50 pF	IN-LINE	DIP20,.3	4.8 ns	40 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	32 mA	IOH = 40MA @ VOH = 2V; IOL = 40MA @ VOL = 0.5V		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	AS
SN74AS27FN3	Texas Instruments	NOR GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES	3	TTL		3		5	5		CHIP CARRIER	LDCC20,.4SQ	5.5 ns	20 Amp	Gates	1.27 mm	70 Cel		0 Cel		QUAD	S-PQCC-J20		5.5 V				4.5 V	17.1 mA
SN54HC832FK	Texas Instruments	OR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES		CMOS				5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ		7.8 Amp	Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20		6 V			Not Qualified	2 V
SNJ54HC05FK	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	HQCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	6	CMOS	MIL-PRF-38535	1	TUBE	5	2/6	50 pF	CHIP CARRIER, HEAT SINK/SLUG	LCC20,.35SQ	175 ns	6 Amp	Gates	1.27 mm	125 Cel	OPEN-DRAIN	-55 Cel	Tin/Lead (Sn/Pb)	QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.02 mA		e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SNJ54HC08FKR	Texas Instruments	AND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS	MIL-PRF-38535	2		5		50 pF	CHIP CARRIER		150 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
SN74LS266FN3	Texas Instruments	XNOR GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5		CHIP CARRIER	LDCC20,.4SQ	30 ns		Gates	1.27 mm	70 Cel	OPEN-COLLECTOR	0 Cel		QUAD	S-PQCC-J20		5.25 V				4.75 V				NOT SPECIFIED	NOT SPECIFIED
SN54HC02FK	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	CMOS		2		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	135 ns	5.2 Amp	Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SN54HC11FK-00	Texas Instruments	AND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	3	CMOS		3		5		50 pF	CHIP CARRIER		30 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
SNJ54AHC02FKR	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS	MIL-PRF-38535	2		3.3		50 pF	CHIP CARRIER		13 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	AHC/VHC/H/U/V
JM38510/65701	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS	MIL-M-38510 Class B	1		5			CHIP CARRIER		145 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SN54HC132FK-00	Texas Instruments	NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS		2		5		50 pF	CHIP CARRIER		37 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
SN54F11FK	Texas Instruments	AND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	3	TTL		3		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	7.5 ns		Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	9.7 mA			NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
5962-01-208-4454	Texas Instruments	NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES		TTL				5	5		CHIP CARRIER	LCC20,.35SQ			Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54ALS09FH-00	Texas Instruments	AND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	TTL		2		5		50 pF	CHIP CARRIER		17 ns			1.27 mm	125 Cel	OPEN-COLLECTOR	-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	4 mA					8.89 mm	ALS
5962-87614012X	Texas Instruments	OR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	CMOS	MIL-STD-883	2		3.3		50 pF	CHIP CARRIER		12 ns	24 Amp		1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Qualified	2 V	.04 mA			NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AC
SNJ54ALS1034FK	Texas Instruments	BUFFER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	6	TTL	MIL-PRF-38535	1	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	13 ns	24 Amp	Gates	1.27 mm	125 Cel		-55 Cel	TIN LEAD	QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	14 mA	IOH = 12MA @ VOH = 2V; IOL = 12MA @ VOL = 0.4V	e0			8.89 mm	ALS
5962-9760401Q2A	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	CMOS	MIL-PRF-38535 Class Q	2	TUBE	2.7	3.3	50 pF	CHIP CARRIER	LCC20,.35SQ	5.4 ns	24 Amp	Gate	1.27 mm	125 Cel		-55 Cel	TIN LEAD	QUAD	S-CQCC-N20		3.6 V	2.03 mm	8.89 mm	Qualified	2 V	.01 mA		e0			8.89 mm	LVC/LCX/Z
SN54AS10FH	Texas Instruments	NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES	3	TTL		3		5	5		CHIP CARRIER	LCC20,.35SQ	5 ns	5 Amp	Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20		5.5 V			Not Qualified	4.5 V	13 mA			NOT SPECIFIED	NOT SPECIFIED
SNJ54S10FK	Texas Instruments	NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	3	TTL	MIL-PRF-38535	3		5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	5 ns		Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	27 mA			NOT SPECIFIED	NOT SPECIFIED	8.89 mm	S
SN54ACT04FK	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS		1		5		50 pF	CHIP CARRIER		8.5 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V						8.89 mm	ACT
SN74ALS832J4	Texas Instruments	OR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	NO	6	TTL		2		5	5		IN-LINE	DIP20,.3	9 ns	24 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-XDIP-T20		5.5 V				4.5 V
74ACT11004DBRE4	Texas Instruments	INVERTER	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	6	CMOS		1	TR	5	5	50 pF	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	9.7 ns	24 Amp	Gates	.65 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V			e4	30	260	7.2 mm	ACT
74AC11004DW	Texas Instruments	INVERTER	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	NO	YES	6	CMOS		1	TUBE	5	3.3/5	50 pF	SMALL OUTLINE	SOP20,.4	10 ns	24 Amp	Gates	1.27 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.5 V	2.65 mm	7.5 mm	Not Qualified	3 V	.04 mA	CENTER PIN VCC AND GND	e4	30	260	12.8 mm	AC
SN54HC266FK	Texas Instruments	XNOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	CMOS		2		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	190 ns	4 Amp	Gates	1.27 mm	125 Cel	OPEN-DRAIN	-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SN74AS805BN	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	6	TTL		2	TUBE	5	5	50 pF	IN-LINE	DIP20,.3	4.3 ns		Gates	2.54 mm	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	IOH = 48MA @ VOH = 2V; IOL = 48MA @ VOL = 0.5V	e4			24.325 mm	AS
SN74ALS20AFN3	Texas Instruments	NAND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES	2	TTL		4		5	5		CHIP CARRIER	LDCC20,.4SQ	11 ns		Gates	1.27 mm	70 Cel		0 Cel		QUAD	S-PQCC-J20		5.5 V				4.5 V
SNJ54HC51FK-00	Texas Instruments	AND-OR-INVERT GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2	CMOS		6		5		50 pF	CHIP CARRIER		42 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V		ASYMMETRICAL I/PS				8.89 mm	HC/UH
SN74ALS1020AFN	Texas Instruments	NAND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES		TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			Gates	1.27 mm	70 Cel		0 Cel		QUAD	S-PQCC-J20					Not Qualified
SN74ALS32FN-00	Texas Instruments	OR GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	4	TTL		2		5		50 pF	CHIP CARRIER		12 ns			1.27 mm	70 Cel		0 Cel		QUAD	S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	4.9 mA					8.9662 mm	ALS
SN74ALS1008AFN-00	Texas Instruments	AND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	4	TTL		2		5		50 pF	CHIP CARRIER		9 ns			1.27 mm	70 Cel		0 Cel		QUAD	S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	9.3 mA					8.9662 mm	ALS
SN74ALS832-1N1	Texas Instruments	OR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	6	TTL		2		5	5		IN-LINE	DIP20,.3	9 ns	48 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T20		5.5 V			Not Qualified	4.5 V
SN74ALS805-1NP3	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		TTL							IN-LINE	DIP20,.3		48 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T20
SN54AS800FH	Texas Instruments	AND/NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	NO	YES		TTL							CHIP CARRIER	LCC20,.35SQ			Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54AS832AJ	Texas Instruments	OR GATE	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	NO	6	TTL		2		5	5		IN-LINE	DIP20,.3	11 ns		Gates	2.54 mm	125 Cel		-55 Cel		DUAL	R-XDIP-T20		5.5 V			Not Qualified	4.5 V	36 mA
SN74ALS805JP4	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	NO		TTL							IN-LINE	DIP20,.3		24 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-XDIP-T20
SN74ACT11004DBLE	Texas Instruments	INVERTER	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY		YES	6	CMOS		1		5		50 pF	SMALL OUTLINE, SHRINK PITCH		9.6 ns			.65 mm	85 Cel		-40 Cel		DUAL	R-PDSO-G20		5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V						7.2 mm	ACT
SNJ54HC7003FK	Texas Instruments	NAND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	YES		CMOS	38535Q/M;38534H;883B						CHIP CARRIER	LCC20,.35SQ			Gates	1.27 mm	125 Cel	OPEN-DRAIN	-55 Cel		QUAD	S-XQCC-N20					Not Qualified
5962-86843012A	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	6	TTL	MIL-STD-883	1	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	17 ns	8 Amp	Gate	1.27 mm	125 Cel	3-STATE	-55 Cel	TIN LEAD	QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	4.5 V	4.4 mA		e0			8.89 mm	ALS
SN74AS1805NP3	Texas Instruments	NOR GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO		TTL				5	5		IN-LINE	DIP20,.3		48 Amp	Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T20							32 mA			NOT SPECIFIED	NOT SPECIFIED
SN54HC08FK-00	Texas Instruments	AND GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS		2		5		50 pF	CHIP CARRIER		30 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
SN54LV06AFK	Texas Instruments	INVERTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS		1		2.5			CHIP CARRIER		18 ns			1.27 mm	125 Cel	OPEN-DRAIN	-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	LV/LV-A/LVX/H
SN74LS38FN	Texas Instruments	NAND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5	45 pF	CHIP CARRIER	LDCC20,.4SQ	28 ns		Gates	1.27 mm	70 Cel	OPEN-COLLECTOR	0 Cel		QUAD	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	12 mA			NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74AS808AN3	Texas Instruments	AND GATE	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	6	TTL		2		5	5		IN-LINE	DIP20,.3	6 ns		Gates	2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T20		5.5 V				4.5 V	32 mA
SNJ54HCT02FK	Texas Instruments	NOR GATE	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	NO	YES	4	CMOS	MIL-PRF-38535	2	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	30 ns	4 Amp	Gates	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V						8.89 mm	HCT

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.