# Logic Gates

Logic gates are physical components in a circuit that control the flow of a signal by implementing a boolean function, processing a signal to binary information. Logic gates are foundational in logic circuits, or in any electronic circuit process that involves digital to analogue signal conversion, or the flow of digital information.The RS components range offers semiconductor logic gates from leading brands, with input/output configurations to suit the demands of your digital circuit.Types of Logic GateLogic gates have distinct logic functions. The most common of these are known as basic gates. These include: AND Gates. This gate has multiple inputs that are processed to a single signal depending on thepositive combination of high signals in the inputs. It will only produce a high signal if both inputs register as high. (e.g two ones will result in a one, otherwise it will have an output of zero.) OR Gates. Like the AND gate, an OR gate has multiple inputs and a single output. In this case, it does not require a positive combination of one signals, but will implement logical produce a high signal if one or all of the inputs are high. (e.g a one and a zero, or two ones, may produce a high signal, but two zeros will produce zeros.) NOT Gates. Also known as inverters, the NOT gates will process the signal as the opposite of its value (eg. a one will invert as a zero, and a zero will invert as a 1.)There are also combined function logic gates that modify typical functions with an inversion. NAND Gate. Unlike an AND gate, NAND will process two high signals as a zero and all other combinations as a one. NOR Gate. Unlike an OR gate, this will produce a one if the inputs register a zero signal in any combination, rather than a high signal. Buffer Gate. A buffer logic gate behaves in the opposite manner of a NOT gate, in that it passes a signal unchanged from input to output.There are also logic gates referred to as Exclusive Gates. XNOR (EX-NOR) Gate. These gates process a high signal if all input signals are true, e.g: if there are two one signals or two zero signals. XOR Gate. Unlike an XNOR, XOR performs exclusive dis-junction, which means it will only output a true signal if exactly one of the inputs are true.ApplicationsAs CPUs employ binary logic, logic gates are essentially the building blocks of computers. As such they can be found in many kinds of digital circuits. Though their essential functions remain unchanged, their implementations are many. Encoders Decoders Multiplexers Demultiplexers Full adders Half adders

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Description Price Logic Function Mounting Type Number of Elements Number of Inputs per Gate Schmitt Trigger Input Package Type Pin Count Logic Family Input Type Maximum Operating Supply Voltage Maximum High Level Output Current Maximum Propagation Delay Time @ Maximum CL Minimum Operating Supply Voltage Maximum Low Level Output Current
 New RS Stock No. 601-4027 Mfr. Part No.TC4030BP(F) BrandToshiba Compare PHP25.992 Each (In a Pack of 5) units XOR Through Hole 4 2 No PDIP 14 4000 - 18 V -4mA 100 ns @ 15 V, 130 ns @ 10 V, 280 ns @ 5 V 3 V 4mA New RS Stock No. 368-5884 Mfr. Part No.SN74LS00N BrandTexas Instruments Compare PHP51.146 Each (In a Tube of 25) units NAND Through Hole 4 2 No PDIP 14 LS - 5.25 V -0.4mA 15 ns @ 5 V 4.75 V 8mA New RS Stock No. 663-2375 Mfr. Part No.SN74LS08D BrandTexas Instruments Compare PHP37.28 Each (In a Pack of 5) units AND Surface Mount 4 2 No SOIC 14 LS - 5.25 V -0.4mA 20 ns @ 5 V 4.75 V 8mA New RS Stock No. 709-8944 Mfr. Part No.SN74HCT32NSR BrandTexas Instruments Compare PHP17.48 Each (In a Pack of 10) units OR Surface Mount 4 2 No SOP 14 HCT - 5.5 V -4mA 22 ns @ 5.5 V, 24 ns @ 4.5 V 4.5 V 4mA New RS Stock No. 145-1270 Mfr. Part No.SN74HCT32NSR BrandTexas Instruments Compare PHP7.622 Each (On a Reel of 2000) units OR Surface Mount 4 2 No SOP 14 HCT - 5.5 V -4mA 22 ns @ 5.5 V, 24 ns @ 4.5 V 4.5 V 4mA New RS Stock No. 179-2175 Mfr. Part No.SN74LS08D BrandTexas Instruments Compare PHP35.88 Each (In a Tube of 50) units AND Surface Mount 4 2 No SOIC 14 LS - 5.25 V -0.4mA 20 ns @ 5 V 4.75 V 8mA New RS Stock No. 709-2223 Mfr. Part No.SN74AC00N BrandTexas Instruments Compare PHP34.707 Each (In a Pack of 10) units NAND Through Hole 4 2 No PDIP 14 AC - 6 V -24mA 8 ns @ 5 V, 9.5 ns @ 3.3 V 2 V 24mA New RS Stock No. 818-4156 Mfr. Part No.NS5SQ11BV2 BrandOmron Compare PHP117,506.39 Each units - - - - - - - - - 27.6 V dc - - 20.4 V dc - New RS Stock No. 662-9676 Mfr. Part No.CD4093BM BrandTexas Instruments Compare PHP28.348 Each (In a Pack of 5) units NAND Surface Mount 4 2 Yes SOIC 14 4000 Schmitt Trigger 18 V -4.2mA 130 ns @ 15 V, 180 ns @ 10 V, 380 ns @ 5 V 3 V 4.2mA New RS Stock No. 923-2335 Mfr. Part No.SN74LS08N BrandTexas Instruments Compare PHP28.917 Each (In a Tube of 25) units AND Through Hole 4 2 No PDIP 14 LS - 5.25 V -0.4mA 20 ns @ 5 V 4.75 V 8mA New RS Stock No. 162-7310 Mfr. Part No.SN74AC86N BrandTexas Instruments Compare PHP23.73 Each (In a Tube of 25) units XOR Through Hole 4 2 No PDIP 14 AC - 6 V -24mA 11.5 ns @ 3.3 V, 8.5 ns @ 5 V 2 V 24mA New RS Stock No. 145-0455 Mfr. Part No.SN74HC86D BrandTexas Instruments Compare PHP17.06 Each (In a Tube of 50) units XOR Surface Mount 4 2 No SOIC 14 HC - 6 V -5.2mA 100 ns @ 2 V, 17 ns @ 6 V, 20 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 662-8235 Mfr. Part No.SN74HC86DR BrandTexas Instruments Compare PHP16.01 Each (In a Pack of 10) units XOR Surface Mount 4 2 No SOIC 14 HC - 6 V -5.2mA 100 ns @ 2 V, 17 ns @ 6 V, 20 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 663-1017 Mfr. Part No.SN74AC86N BrandTexas Instruments Compare PHP22.656 Each (In a Pack of 10) units XOR Through Hole 4 2 No PDIP 14 AC - 6 V -24mA 11.5 ns @ 3.3 V, 8.5 ns @ 5 V 2 V 24mA New RS Stock No. 663-2224 Mfr. Part No.SN74HC86D BrandTexas Instruments Compare PHP17.06 Each (In a Pack of 10) units XOR Surface Mount 4 2 No SOIC 14 HC - 6 V -5.2mA 100 ns @ 2 V, 17 ns @ 6 V, 20 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 145-1088 Mfr. Part No.SN74AC00N BrandTexas Instruments Compare PHP13.758 Each (In a Tube of 25) units NAND Through Hole 4 2 No PDIP 14 AC - 6 V -24mA 8 ns @ 5 V, 9.5 ns @ 3.3 V 2 V 24mA New RS Stock No. 922-2909 Mfr. Part No.CD4093BM BrandTexas Instruments Compare PHP22.73 Each (In a Tube of 50) units NAND Surface Mount 4 2 Yes SOIC 14 4000 Schmitt Trigger 18 V -4.2mA 130 ns @ 15 V, 180 ns @ 10 V, 380 ns @ 5 V 3 V 4.2mA New RS Stock No. 170-7993 Mfr. Part No.HEF4011BT,653 BrandNexperia Compare PHP6.25 Each (On a Reel of 2500) units NAND Surface Mount 4 2 - SO 14 HEF CMOS 15 V -4.2mA 110 ns @ 50 pF 3 V 4.2mA New RS Stock No. 178-7004 Mfr. Part No.HEF4070BT,652 BrandNexperia Compare PHP19.37 Each (In a Tube of 57) units OR Surface Mount 4 2 No SOIC 14 4000 CMOS 15 V - 50 ns @ 15 V 5 V - New RS Stock No. 662-9666 Mfr. Part No.CD4077BE BrandTexas Instruments Compare PHP31.438 Each (In a Pack of 5) units XNOR Through Hole 4 2 No PDIP 14 4000 - 18 V -4.2mA 100 ns @ 15 V, 130 ns @ 10 V, 280 ns @ 5 V 3 V 4.2mA
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