# 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. 662-8679 Mfr. Part No.SN74LVC1G00DCKT BrandTexas Instruments Compare MYR2.97 Each (In a Pack of 5) units NAND Surface Mount 1 2 No SC-70 5 LVC - 5.5 V -32mA 4 ns @ 5 V, 4.7 ns @ 3.3 V 1.65 V 32mA New RS Stock No. 162-4283 Mfr. Part No.SN74AHCT1G32DBVR BrandTexas Instruments Compare MYR0.185 Each (On a Reel of 3000) units OR Surface Mount 1 2 No SOT-23 5 AHCT - 5.5 V -8mA 7.9 ns @ 5 V 4.5 V 8mA New RS Stock No. 541-9673 Mfr. Part No.TC4081BP(F) BrandToshiba Compare MYR1.874 Each (In a Pack of 5) units AND Through Hole 4 2 No PDIP 14 4000 - 18 V -4mA 100 ns @ 10 V, 200 ns @ 5 V, 80 ns @ 15 V 3 V 4mA New RS Stock No. 307-525 Mfr. Part No.SN74LS10N BrandTexas Instruments Compare MYR2.89 Each 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. 796-8219 Mfr. Part No.SN74LVC1G00DBVR BrandTexas Instruments Compare MYR1.048 Each (In a Pack of 25) units NAND Surface Mount 1 2 No SOT-23 5 LVC CMOS, TTL 5.5 V -32mA 4.3 ns @ 5 V 1.65 V 32mA New RS Stock No. 809-6214 Mfr. Part No.CD4073BPW BrandTexas Instruments Compare MYR1.627 Each (In a Pack of 15) units AND Surface Mount 3 3 No TSSOP 14 4000 Differential 18 V -4.2mA 250 ns @ 50 pF 3 V 4.2mA New RS Stock No. 662-8553 Mfr. Part No.SN74LVC00ADR BrandTexas Instruments Compare MYR1.156 Each (In a Pack of 10) units NAND Surface Mount 4 2 No SOIC 14 LVC - 3.6 V -24mA 4.1 ns @ 3.3 V, 4.9 ns @ 2.7 V 1.65 V 24mA New RS Stock No. 663-2509 Mfr. Part No.SN74LS32D BrandTexas Instruments Compare MYR2.336 Each (In a Pack of 5) units OR Surface Mount 4 2 No SOIC 14 LS - 5.25 V -0.4mA 22 ns @ 5 V 4.75 V 8mA New RS Stock No. 144-9955 Mfr. Part No.CD74HCT132EE4 BrandTexas Instruments Compare MYR1.338 Each (In a Tube of 25) units NAND Through Hole 4 2 Yes PDIP 14 HCT Schmitt Trigger 5.5 V -4mA 33 ns @ 4.5 V 4.5 V 4mA New RS Stock No. 923-2322 Mfr. Part No.SN74LS02N BrandTexas Instruments Compare MYR2.136 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. 775-7762 Mfr. Part No.74HC1G86GW,125 BrandNexperia Compare MYR0.941 Each (On a Tape of 30) units XOR Surface Mount 1 2 No TSSOP 5 HC CMOS 6 V -2.6mA 135ns 2 V 2.6mA New RS Stock No. 662-6881 Mfr. Part No.CD74AC02M96 BrandTexas Instruments Compare MYR1.658 Each (In a Pack of 5) units NOR Surface Mount 4 2 No SOIC 14 AC - 5.5 V -24mA 11.5 ns @ 5 V, 144 ns @ 1.5 V, 16.1 ns @ 3.3 V 1.5 V 24mA New RS Stock No. 539-9490 Mfr. Part No.TC74HC132AP(F) BrandToshiba Compare MYR2.564 Each (In a Pack of 5) units NAND Through Hole 4 2 Yes PDIP 14 HC Schmitt Trigger 6 V -5.2mA 110 ns @ 2 V, 19 ns @ 6 V, 22 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 806-2154 Mfr. Part No.MC74AC132DG BrandON Semiconductor Compare MYR1.715 Each (In a Pack of 25) units NAND Surface Mount 4 2 Yes SOIC 14 AC Schmitt Trigger 6 V -24mA 15 ns @ 50 pF 2 V 24mA New RS Stock No. 663-2375 Mfr. Part No.SN74LS08D BrandTexas Instruments Compare MYR2.842 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. 526-486 Mfr. Part No.SN74HC132DR BrandTexas Instruments Compare MYR1.078 Each (In a Pack of 25) units NAND Surface Mount 4 2 Yes SOIC 14 HC Schmitt Trigger 6 V -5.2mA 120 ns @ 2 V, 21 ns @ 6 V, 25 ns @ 4.5 V 2 V 5.2mA New RS Stock No. 179-2125 Mfr. Part No.SN74AC08DR BrandTexas Instruments Compare MYR1.431 Each (In a Tube of 50) units AND Surface Mount 4 2 No SOIC 14 AC - 6 V -24mA 7.5 ns @ 5 V, 9.5 ns @ 3.3 V 2 V 24mA New RS Stock No. 807-2422 Mfr. Part No.CD74HC10E BrandTexas Instruments Compare MYR1.931 Each (In a Pack of 25) units NAND Through Hole 3 3 No PDIP 14 HC CMOS 6 V -5.2mA 150 ns @ 50 pF 2 V 5.2mA New RS Stock No. 663-1473 Mfr. Part No.SN74ALS38BD BrandTexas Instruments Compare MYR3.568 Each (In a Pack of 5) units NAND Surface Mount 4 2 No SOIC 14 ALS - 5.5 V -0.1mA 33 ns @ 4.5 V → 5.5 V 4.5 V 24mA New RS Stock No. 162-7463 Mfr. Part No.SN74LVC1G11DBVR BrandTexas Instruments Compare MYR0.55 Each (On a Reel of 3000) units AND Surface Mount 1 3 No SOT-23 6 LVC - 5.5 V -32mA 3.5 ns @ 5 V, 4.9 ns @ 3.3 V 1.65 V 32mA
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