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 Gate

Logic 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 the
positive 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.

Applications

As 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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Part Details Brand 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 Output Type Dimensions Length Width Height Maximum Operating Temperature Propagation Delay Test Condition Minimum Operating Temperature Automotive Standard
Nexperia 74LVC32AD,112, Quad 2-Input OR Logic Gates, 14-Pin SOIC Nexperia OR Surface Mount 4 2 - SO 14 74LVC CMOS, TTL 3.6 V -24mA 10.4 ns @ 50 pF 1.65 V 24mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia HEF4030BT,652, Quad 2-Input XOR Logic Gates, 14-Pin SOIC Nexperia XOR Surface Mount 4 2 - SO 14 HEF Single Ended 15 V -2.4mA 175 ns @ 50 pF 3 V 2.4mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74LVC08AD,118, Quad 2-Input AND Logic Gates, 14-Pin SOIC
  • € 0.15
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Nexperia AND Surface Mount 4 2 - SO 14 74LVC CMOS, TTL 3.6 V -24mA 10.4 ns @ 50 pF 1.65 V 24mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74LVC08AD,112, Quad 2-Input AND Logic Gates, 14-Pin SOIC Nexperia AND Surface Mount 4 2 - SO 14 74LVC CMOS, TTL 3.6 V -24mA 10.4 ns @ 50 pF 1.65 V 24mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74AHC1G00GW,125 2-Input NAND Logic Gate, 5-Pin TSSOP
  • € 0.03
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Nexperia NAND Surface Mount 1 2 No TSSOP 5 AHC - 5.5 V -8mA 11.4 ns @ 3.3 V, 7.5 ns @ 5 V 2 V 8mA - 2.25 x 1.35 x 1mm 2.25mm 1.35mm 1mm +125 °C 50pF -40 °C -
Nexperia 74AHC1G32GW,125 2-Input OR Logic Gate, 5-Pin TSSOP
  • € 0.09
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Nexperia OR Surface Mount 1 2 No TSSOP 5 AHC - 5.5 V -8mA 11.4 ns @ 3 V → 3.6 V, 7.5 ns @ 4.5 V → 5.5 V 2 V 8mA - 2.25 x 1.35 x 1mm 2.25mm 1.35mm 1mm +125 °C 50pF -40 °C -
Nexperia 74HC00PW,112, Quad 2-Input NAND Logic Gate, 14-Pin TSSOP Nexperia NAND Surface Mount 4 2 No TSSOP 14 HC CMOS 6 V -5.2mA 135ns 2 V 5.2mA - 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm +125 °C 50pF -40 °C -
Nexperia 74HC03D,652, Quad 2-Input NAND Logic Gate, 14-Pin SOIC Nexperia NAND Surface Mount 4 2 No SOIC 14 HC - 6 V -5.2mA 16 ns @ 6 V, 19 ns @ 4.5 V, 95 ns @ 2 V 2 V 5.2mA Open Drain 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74HC10D,652, Triple 3-Input NAND Logic Gate, 14-Pin SOIC Nexperia NAND Surface Mount 3 3 No SOIC 14 HC - 6 V -5.2mA 16 ns @ 6 V, 19 ns @ 4.5 V, 95 ns @ 2 V 2 V 5.2mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74HCT132D,652, Quad 2-Input NAND Schmitt Trigger Logic Gate, 14-Pin SOIC Nexperia NAND Surface Mount 4 2 Yes SOIC 14 HCT Schmitt Trigger 5.5 V -4mA 33 ns @ 4.5 V 4.5 V 4mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +125 °C 50pF -40 °C -
Nexperia 74LVC00APW,112, Quad 2-Input NAND Logic Gate, 14-Pin TSSOP Nexperia NAND Surface Mount 4 2 No TSSOP 14 LVC - 3.6 V -24mA - 1.2 V 24mA - 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm +125 °C 50pF -40 °C -
Nexperia 74LVC02ABQ,115, Quad 2-Input NOR Logic Gate, 14-Pin DHVQFN
  • € 0.09
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Nexperia NOR Surface Mount 4 2 No DHVQFN 14 LVC - 3.6 V -24mA - 1.2 V 24mA - 3.1 x 2.6 x 0.95mm 3.1mm 2.6mm 0.95mm +125 °C 50pF -40 °C -
Nexperia 74LVC08ABQ,115, Quad 2-Input AND Logic Gate, 14-Pin DHVQFN
  • € 0.09
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Nexperia AND Surface Mount 4 2 No DHVQFN 14 LVC - 3.6 V -24mA - 1.2 V 24mA - 3.1 x 2.6 x 0.95mm 3.1mm 2.6mm 0.95mm +125 °C 50pF -40 °C -
Nexperia 74LVC08AD,118 Logic Gates Nexperia - - - - - - - - - - - - - - - - - - - - - - -
Nexperia 74LVC1G02GW,125 2-Input NOR Logic Gate, 5-Pin TSSOP
  • € 0.09
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Nexperia NOR Surface Mount 1 2 No TSSOP 5 LVC - 5.5 V -32mA - 1.65 V 32mA - 2.25 x 1.35 x 1mm 2.25mm 1.35mm 1mm +125 °C 50pF -40 °C -
Nexperia 74LVC1G08GW,125 2-Input AND Logic Gate, 5-Pin TSSOP
  • € 0.06
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Nexperia AND Surface Mount 1 2 No TSSOP 5 LVC - 5.5 V -32mA - 1.65 V 32mA - 2.25 x 1.35 x 1mm 2.25mm 1.35mm 1mm +125 °C 50pF -40 °C -
Nexperia HEF4070BT,652, Quad 2-Input OR Logic Gate, 14-Pin SOIC Nexperia OR Surface Mount 4 2 No SOIC 14 4000 CMOS 15 V - 50 ns @ 15 V 5 V - Current, Voltage 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm - 50pF - -
Nexperia HEF4077BT,652, Quad 2-Input XNOR Logic Gate, 14-Pin SOIC Nexperia XNOR Surface Mount 4 2 No SOIC 14 4000 - 15 V -3.6mA 150 ns @ 5 V, 55 ns @ 15 V, 70 ns @ 10 V 3 V 3.6mA - 8.75 x 4 x 1.45mm 8.75mm 4mm 1.45mm +85 °C 50pF -40 °C -
ON Semiconductor 74AC00SC, Quad 2-Input NAND Logic Gate, 14-Pin SOIC ON Semiconductor NAND Surface Mount 4 2 No SOIC 14 AC - 6 V -24mA 10ns 2 V 24mA - 8.75 x 4 x 1.5mm 8.75mm 4mm 1.5mm +85 °C 50pF -40 °C -
ON Semiconductor 74AC32SCX, Quad 2-Input OR Logic Gate, 14-Pin SOIC
  • € 0.39
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ON Semiconductor OR Surface Mount 4 2 No SOIC 14 AC - 6 V -24mA 10ns 2 V 24mA - 8.75 x 4 x 1.5mm 8.75mm 4mm 1.5mm +85 °C 50pF -40 °C -
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