# 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. 806-3901 Mfr. Part No.MC74VHC132DG BrandON Semiconductor Compare \$0.548 Each (In a Pack of 55) units NAND Surface Mount 4 2 Yes SOIC 14 VHC CMOS 5.5 V -8mA 17.5 ns @ 50 pF 2 V 8mA New RS Stock No. 112-6276 Mfr. Part No.74HC86D,652 BrandNexperia Compare \$0.60 Each units XOR Surface Mount 4 2 No SOIC 14 HC - 6 V -5.2mA 120 ns @ 2 V, 20 ns @ 6 V, 24 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 184-4768 Mfr. Part No.M74VHC1G132DTT1G BrandON Semiconductor Compare \$0.164 Each (In a Pack of 100) units NAND Surface Mount 1 1 Yes TSOP 5 74VHC Schmitt Trigger 5.5 V - 19.6ns 2 V - New RS Stock No. 368-5569 Mfr. Part No.SN7400N BrandTexas Instruments Compare \$2.13 Each (In a Tube of 25) units NAND Through Hole 4 2 No PDIP 14 74 - 5.25 V -0.4mA 22 ns @ 5 V 4.75 V 16mA New RS Stock No. 923-2322 Mfr. Part No.SN74LS02N BrandTexas Instruments Compare \$0.842 Each (In a Tube of 25) units NOR 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. 923-2335 Mfr. Part No.SN74LS08N BrandTexas Instruments Compare \$0.852 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. 103-2710 Mfr. Part No.MC14011BDG BrandON Semiconductor Compare \$0.564 Each (In a Tube of 55) units NAND Surface Mount 4 2 No SOIC 14 4000 - 18 V -4.2mA 100 ns @ 10 V, 250 ns @ 5 V, 80 ns @ 15 V 3 V 4.2mA New RS Stock No. 162-7047 Mfr. Part No.SN74AHC1G08DCKT BrandTexas Instruments Compare \$0.632 Each (On a Reel of 250) units AND Surface Mount 1 2 No SC-70 5 AHC - 5.5 V -8mA 12.3 ns @ 3.3 V, 7.9 ns @ 5 V 2 V 8mA New RS Stock No. 145-0008 Mfr. Part No.CD4082BE BrandTexas Instruments Compare \$0.715 Each (In a Tube of 25) units AND Through Hole 2 4 No PDIP 14 4000 - 18 V -4.2mA 120 ns @ 10 V, 250 ns @ 5 V, 90 ns @ 15 V 3 V 4.2mA New RS Stock No. 539-9204 Mfr. Part No.TC74HC00AP(F) BrandToshiba Compare \$0.73 Each (In a Pack of 5) units NAND Through Hole 4 2 No PDIP 14 HC - 6 V -5.2mA 13 ns @ 6 V, 15 ns @ 4.5 V, 75 ns @ 2 V 2 V 5.2mA New RS Stock No. 923-2338 Mfr. Part No.SN74LS10N BrandTexas Instruments Compare \$0.816 Each (In a Tube of 25) units NAND Through Hole 3 3 No PDIP 14 LS - 5.25 V -0.4mA 15 ns @ 5 V 4.75 V 8mA New RS Stock No. 305-490 Mfr. Part No.SN7400N BrandTexas Instruments Compare \$2.51 Each units NAND Through Hole 4 2 No PDIP 14 74 - 5.25 V -0.4mA 22 ns @ 5 V 4.75 V 16mA New RS Stock No. 644-0151 Mfr. Part No.TC74AC08FT BrandToshiba Compare \$1.07 Each (In a Pack of 5) units AND Surface Mount 4 2 No TSSOP 14 AC - 5.5 V -24mA 7 ns @ 5 V, 9.8 ns @ 3.3 V 2 V 24mA New RS Stock No. 307-569 Mfr. Part No.SN74LS32N BrandTexas Instruments Compare \$1.07 Each units OR Through Hole 4 2 No PDIP 14 LS - 5.25 V -0.4mA 22 ns @ 5 V 4.75 V 8mA New RS Stock No. 663-2228 Mfr. Part No.SN74HC86PW BrandTexas Instruments Compare \$0.654 Each (In a Pack of 10) units XOR Surface Mount 4 2 No TSSOP 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. 166-2397 Mfr. Part No.MM74HCT32MX BrandON Semiconductor Compare \$0.28 Each (On a Reel of 2500) units OR Surface Mount 4 2 No SOIC 14 HCT - 5.5 V -4.8mA 20 ns @ 5 V 4.5 V 4.8mA New RS Stock No. 806-3119 Mfr. Part No.MC14011BDR2G BrandON Semiconductor Compare \$0.526 Each (On a Tape of 50) units NAND Surface Mount 4 2 No SOIC 14 4000 - 18 V -10mA 250 ns @ 50 pF 3 V 10mA New RS Stock No. 662-8244 Mfr. Part No.SN74HC86PWR BrandTexas Instruments Compare \$0.419 Each (In a Pack of 10) units XOR Surface Mount 4 2 No TSSOP 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. 170-3567 Mfr. Part No.MC14011BDR2G BrandON Semiconductor Compare \$0.18 Each (On a Reel of 2500) units NAND Surface Mount 4 2 No SOIC 14 4000 - 18 V -10mA 250 ns @ 50 pF 3 V 10mA New RS Stock No. 527-653 Mfr. Part No.SN74AHC1G32DBVR BrandTexas Instruments Compare \$0.311 Each (In a Pack of 25) units OR Surface Mount 1 2 No SOT-23 5 AHC - 5.5 V -8mA 11.4 ns @ 3.3 V, 7.5 ns @ 5 V 2 V 8mA
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