STMicroelectronics Logic Gates 2,398

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Total Dose (V)	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
M54HC20K	STMicroelectronics	NAND GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	YES	2	CMOS	ESCC9000	4		4.5	2/6	50 pF	FLATPACK	FL14,.3	120 ns	4 Amp	Gates	1.27 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDFP-F14		6 V		6.91 mm	Not Qualified	2 V			e0			9.95 mm	HC/UH
74LX1G08CTR	STMicroelectronics	AND GATE	MILITARY	GULL WING	5	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	1	CMOS		2	TR	1.8	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP5/6,.08	12 ns	24 Amp	Gates	.65 mm	125 Cel		-55 Cel	MATTE TIN	DUAL	R-PDSO-G5		5.5 V	1.1 mm	1.25 mm	Not Qualified	1.65 V			e3			2 mm	TTL/H/L
8403701XX	STMicroelectronics	NAND GATE	MILITARY	FLAT	14	DFP	RECTANGULAR		CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS		2		4.5			FLATPACK		135 ns				125 Cel		-55 Cel		DUAL	R-CDFP-F14		6 V			Not Qualified	2 V							HC/UH
T74LS32D1	STMicroelectronics	OR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	4	TTL		2		5	5	15 pF	IN-LINE	DIP14,.3	22 ns	8 Amp	Gates	2.54 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	9.8 mA		e0				LS
74LCX07TTR	STMicroelectronics	BUFFER	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	6	CMOS		1	TR	2.7	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	7 ns	24 Amp	Gates	.65 mm	85 Cel	OPEN-DRAIN	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G14		3.6 V	1.2 mm	4.4 mm	Not Qualified	2 V			e4			5 mm	LVC/LCX/Z
M54HC32D1	STMicroelectronics	OR GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	NO	4	CMOS		2		4.5	2/6	50 pF	IN-LINE	DIP14,.3	110 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDIP-T14		6 V	3.7 mm	7.62 mm	Not Qualified	2 V			e0			19 mm	HC/UH
M74ACT02B	STMicroelectronics	NOR GATE	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR		PLASTIC/EPOXY	NO	NO	4	CMOS		2		5	5	50 pF	IN-LINE	DIP14,.3	9 ns	24 Amp	Gates	2.54 mm	85 Cel		-40 Cel	MATTE TIN	DUAL	R-PDIP-T14		5.5 V	5.1 mm	7.62 mm	Not Qualified	4.5 V			e3				ACT
74V1T02STR	STMicroelectronics	NOR GATE	MILITARY	GULL WING	5	LSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	1	CMOS		2	TR	5	5	50 pF	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	9.5 ns	8 Amp	Gates	.95 mm	125 Cel		-55 Cel	MATTE TIN	DUAL	R-PDSO-G5	1	5.5 V	1.45 mm	1.625 mm	Not Qualified	4.5 V			e3	30	260	2.9 mm	74V
T54LS132D2	STMicroelectronics	NAND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, METAL-SEALED COFIRED	YES	NO	4	TTL		2		5	5		IN-LINE	DIP14,.3	22 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDIP-T14		5.5 V			Not Qualified	4.5 V	14 mA		e0				LS
HCC4073BKG	STMicroelectronics	AND GATE		FLAT	14	DFP	RECTANGULAR	100k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	YES	3	CMOS		3		5			FLATPACK	FL14,.3				1.27 mm	125 Cel		-55 Cel		DUAL	R-CDFP-F14		15 V	2.33 mm	6.91 mm		3 V				NOT SPECIFIED	NOT SPECIFIED	9.95 mm	HC
M54HC00D1	STMicroelectronics	NAND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	NO	1	CMOS		2		4.5	2/6	50 pF	IN-LINE	DIP14,.3	110 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDIP-T14		6 V	3.7 mm	7.62 mm	Not Qualified	2 V			e0			19 mm	HC/UH
T74LS30B1	STMicroelectronics	NAND GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR		PLASTIC/EPOXY	NO	NO	1	TTL		8		5	5	15 pF	IN-LINE	DIP14,.3	20 ns	8 Amp	Gates	2.54 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	1.1 mA		e0				LS
70AC00TTR	STMicroelectronics	NAND GATE	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR		PLASTIC/EPOXY		YES	4	CMOS		2	TR	3.3			SMALL OUTLINE		10 ns				85 Cel		-40 Cel		DUAL	R-PDSO-G14		6 V			Not Qualified	2 V							AC
74V2T03CTR	STMicroelectronics	NAND GATE	MILITARY	GULL WING	8	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	2	CMOS		2	TR	5	5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.09,20	10 ns	8 Amp	Gates	.5 mm	125 Cel	OPEN-DRAIN	-55 Cel		DUAL	R-PDSO-G8		5.5 V	1.1 mm	1.25 mm	Not Qualified	4.5 V						2 mm	74V
74V2T05STR	STMicroelectronics	INVERTER	MILITARY	GULL WING	8	LSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	3	CMOS		1	TR	5	5	50 pF	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSSOP8,.1	10 ns	8 Amp	Gates	.65 mm	125 Cel	OPEN-DRAIN	-55 Cel		DUAL	R-PDSO-G8	1	5.5 V	1.45 mm	1.625 mm	Not Qualified	4.5 V						2.9 mm	74V
M54HC14D	STMicroelectronics	INVERTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	YES	NO	6	CMOS	ESCC9000	1		4.5	2/6	50 pF	IN-LINE	DIP14,.3	190 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDIP-T14		6 V	3.7 mm	7.62 mm	Not Qualified	2 V			e0			19 mm	HC/UH
940103301F	STMicroelectronics	INVERTER	MILITARY	FLAT	14	DFP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS		1		5			FLATPACK					1.27 mm	125 Cel		-55 Cel		DUAL	R-CDFP-F14		6 V	2.33 mm	6.91 mm		2 V		SEATED HT-CALCULATED				9.95 mm	HC/UH
920105204B	STMicroelectronics	AND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	100k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	NO	4	CMOS		2	STRIP PACK	5			IN-LINE	DIP14,.3				2.54 mm	125 Cel		-55 Cel		DUAL	R-CDIP-T14		20 V	3.7 mm	7.62 mm		3 V						19 mm	4000/14000/40000
74V2T08CTR	STMicroelectronics	AND GATE	MILITARY	GULL WING	8	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	2	CMOS		2	TR	5	5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.09,20	8.5 ns	8 Amp	Gates	.5 mm	125 Cel		-55 Cel		DUAL	R-PDSO-G8		5.5 V	1.1 mm	1.25 mm	Not Qualified	4.5 V						2 mm	74V
HCC4041UBK	STMicroelectronics	INVERTER/BUFFER	MILITARY	FLAT	14	DFP	RECTANGULAR	100k Rad(Si)	CERAMIC	NO	YES	4	CMOS	ESCC9000	1			5/15		FLATPACK	FL14,.3			Gates	1.27 mm	125 Cel		-55 Cel		DUAL	R-XDFP-F14		20 V			Not Qualified	3 V
T54LS03D2	STMicroelectronics	NAND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC	NO	NO		TTL				5	5	15 pF	IN-LINE	DIP14,.3		4 Amp	Gates	2.54 mm	125 Cel	OPEN-COLLECTOR	-55 Cel		DUAL	R-XDIP-T14					Not Qualified		4.4 mA
74V2G86STR	STMicroelectronics	XOR GATE	MILITARY	GULL WING	8	LSSOP	RECTANGULAR		PLASTIC/EPOXY		YES	2	CMOS		2	TR	3.3	2/5.5	50 pF	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSSOP8,.1	13.5 ns	4 Amp	Gates	.65 mm	125 Cel		-55 Cel		DUAL	R-PDSO-G8	1	5.5 V	1.45 mm	1.625 mm	Not Qualified	2 V						2.9 mm	74V
M54HC21K1	STMicroelectronics	AND GATE	MILITARY	FLAT	14	DFP	RECTANGULAR	50k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	NO	YES	2	CMOS		4	TR	4.5	2/6	50 pF	FLATPACK	FL14,.3	150 ns	4 Amp	Gates	1.27 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-CDFP-F14		6 V		6.91 mm	Not Qualified	2 V			e0			9.95 mm	HC/UH
T74LS30M1	STMicroelectronics	NAND GATE	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	1	TTL		8		5	5	15 pF	SMALL OUTLINE	SOP14,.25	20 ns	8 Amp	Gates	1.27 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	1.1 mA		e0			8.65 mm	LS
M54HC259K	STMicroelectronics
HCC4050BKT	STMicroelectronics	BUFFER	MILITARY	FLAT	16	DFP	RECTANGULAR	100k Rad(Si)	CERAMIC, METAL-SEALED COFIRED		YES	6	CMOS		1	TR	5			FLATPACK					1.27 mm	125 Cel		-55 Cel		DUAL	R-CDFP-F16		20 V	2.38 mm	6.91 mm		3 V		CMOS-TTL LEVEL TRANSLATOR				9.94 mm	4000/14000/40000
M54HC21F1	STMicroelectronics	AND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	2	CMOS		4		5	2/6	50 pF	IN-LINE	DIP14,.3	33 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		6 V	5 mm	7.62 mm	Not Qualified	2 V			e0				HC/UH
T74LS01M1	STMicroelectronics	NAND GATE	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5	15 pF	SMALL OUTLINE	SOP14,.25	28 ns	8 Amp	Gates	1.27 mm	70 Cel	OPEN-COLLECTOR	0 Cel	TIN LEAD	DUAL	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	4.4 mA		e0			8.65 mm	LS
M54HC4002F1	STMicroelectronics	NOR GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	2	CMOS		4		5	2/6	50 pF	IN-LINE	DIP14,.3	32 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		6 V	5 mm	7.62 mm	Not Qualified	2 V			e0				HC/UH
T74LS01C1	STMicroelectronics	NAND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	NO	YES	4	TTL		2		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	28 ns	8 Amp	Gates	1.27 mm	70 Cel	OPEN-COLLECTOR	0 Cel	TIN LEAD	QUAD	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	4.4 mA		e0			8.9662 mm	LS
T74LS133M1	STMicroelectronics	NAND GATE	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	1	TTL		13		5	5	15 pF	SMALL OUTLINE	SOP16,.25	38 ns		Gates	1.27 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	1.1 mA		e0			9.9 mm	LS
8404601XX	STMicroelectronics	XOR GATE	MILITARY	FLAT	14	DFP	RECTANGULAR		CERAMIC, METAL-SEALED COFIRED		YES	4	CMOS		2		4.5			FLATPACK		180 ns				125 Cel		-55 Cel		DUAL	R-CDFP-F14		6 V			Not Qualified	2 V							HC/UH
T74LS02B1	STMicroelectronics	NOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR		PLASTIC/EPOXY	NO	NO	4	TTL		2		5	5	15 pF	IN-LINE	DIP14,.3	15 ns	8 Amp	Gates	2.54 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	5.4 mA		e0				LS
74LCX00TTR	STMicroelectronics	NAND GATE	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	4	CMOS		2	TR	2.7	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	5.1 ns	24 Amp	Gates	.65 mm	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G14	3	3.6 V	1.2 mm	4.4 mm	Not Qualified	2 V			e4	30	260	5 mm	LVC/LCX/Z
74V2G04STR	STMicroelectronics	INVERTER	MILITARY	GULL WING	8	LSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	3	CMOS		1	TR	3.3	2/5.5	50 pF	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSSOP8,.1	11.5 ns	4 Amp	Gates	.65 mm	125 Cel		-55 Cel	TIN	DUAL	R-PDSO-G8	1	5.5 V	1.45 mm	1.625 mm	Not Qualified	2 V			e3		260	2.9 mm	74V
74V2G86CTR	STMicroelectronics	XOR GATE	MILITARY	GULL WING	8	TSSOP	RECTANGULAR		PLASTIC/EPOXY		YES	2	CMOS		2	TR	3.3	2/5.5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.09,20	13.5 ns	4 Amp	Gates	.5 mm	125 Cel		-55 Cel		DUAL	R-PDSO-G8		5.5 V	1.1 mm	1.25 mm	Not Qualified	2 V						2 mm	74V
M54HC20F1R	STMicroelectronics	NAND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	2	CMOS		4		5	2/6	50 pF	IN-LINE	DIP14,.3	24 ns	4 Amp	Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		6 V	5.08 mm	7.62 mm	Not Qualified	2 V			e0				HC/UH
M54HC07F1R	STMicroelectronics	BUFFER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	6	CMOS		1		5	2/6	50 pF	IN-LINE	DIP14,.3	27 ns	4 Amp	Gates	2.54 mm	125 Cel	OPEN-DRAIN	-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		6 V	5.08 mm	7.62 mm	Not Qualified	2 V			e0				HC/UH
T74LS86B1	STMicroelectronics	XOR GATE	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR		PLASTIC/EPOXY	NO	NO	4	TTL		2		5	5	15 pF	IN-LINE	DIP14,.3	22 ns	8 Amp	Gates	2.54 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	10 mA		e0				LS
8403801XC	STMicroelectronics	NAND GATE	MILITARY	FLAT	14	DFP	RECTANGULAR		CERAMIC, METAL-SEALED COFIRED	NO	YES	3	CMOS	MIL-STD-883	3		4.5	2/6	50 pF	FLATPACK	FL14,.3	145 ns	4 Amp	Gates	1.27 mm	125 Cel		-55 Cel		DUAL	R-CDFP-F14		6 V			Not Qualified	2 V							HC/UH
T74LS22C1	STMicroelectronics	NAND GATE	COMMERCIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY		YES	2	TTL		4		5		15 pF	CHIP CARRIER		28 ns			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	2.2 mA					8.9662 mm	LS
HCC40106BK1	STMicroelectronics	INVERTER		FLAT	14	DFP	RECTANGULAR	100k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	YES	YES	6	CMOS		1		5			FLATPACK	FL14,.3				1.27 mm	125 Cel		-55 Cel		DUAL	R-CDFP-F14		15 V	2.33 mm	6.91 mm		3 V						9.95 mm	HC
M54HC21DT	STMicroelectronics	AND GATE		THROUGH-HOLE	14	DIP	RECTANGULAR	50k Rad(Si)	CERAMIC, GLASS-SEALED	NO	NO	2	CMOS		4					IN-LINE	DIP14,.3				2.54 mm	125 Cel		-55 Cel		DUAL	R-GDIP-T14		6 V	2.54 mm	7.62 mm		2 V						19 mm	HC
HCC4000BF	STMicroelectronics	NOR GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	2	CMOS		3		5	3/18	50 pF	IN-LINE	DIP14,.3	250 ns		Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		18 V	5.08 mm	7.62 mm	Not Qualified	3 V		MIXED WITH 1 INVERTER	e0				4000/14000/40000
HCC4085BK	STMicroelectronics	AND-OR-INVERT GATE	MILITARY	FLAT	14	DFP	RECTANGULAR		CERAMIC	NO	YES		CMOS					5/15	50 pF	FLATPACK	FL14,.3			Gates	1.27 mm	125 Cel		-55 Cel		DUAL	R-XDFP-F14					Not Qualified
HCC4034BK	STMicroelectronics
HCC4068BF	STMicroelectronics	AND/NAND GATE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	NO	1	CMOS		8		5	3/18	50 pF	IN-LINE	DIP14,.3	300 ns		Gates	2.54 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		18 V	5.08 mm	7.62 mm	Not Qualified	3 V			e0				4000/14000/40000
74LCX07YTTR	STMicroelectronics	BUFFER	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR		PLASTIC/EPOXY	NO	YES	6	CMOS	AEC-Q100	1	TR	3	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	7 ns	24 Amp	Gates	.65 mm	85 Cel	OPEN-DRAIN	-40 Cel		DUAL	R-PDSO-G14		3.6 V	1.2 mm	4.4 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	5 mm	LVC/LCX/Z

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.