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. Logic gates are primarily implemented using diodes or transistors as electrical switches, but can also be constructed using electromagnetic relays (relay logic), vacuum tubes, optics, molecules, fluidic logic, pneumatic logic, or even mechanical elements.

Types of Logic Gate

Logic gates have distinct logic functions. The most common of these are known as basic gates. These include:

  • AND Gates - these gates have multiple inputs that are processed into a single signal output 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 - similar to 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.

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 such as:

  • Encoders & Decoders
  • Multiplexers & Demultiplexers
  • Full and half adders

...
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제품설명 단가 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
RS 제품 번호 809-5801
제조사 부품 번호SN74HC32DT
₩1,040.05
Each (In a Pack of 10)
수량
OR Surface Mount 4 2 No SOIC 14 HC Differential 6 V -4mA 125 ns @ 50 pF 2 V 5.2mA
RS 제품 번호 145-7375
제조사 부품 번호SN74LVC2G00DCUT
₩858.70
Each (On a Reel of 250)
수량
NAND Surface Mount 2 2 No VSSOP 8 LVC - 5.5 V -32mA 3.3 ns @ 5 V, 4.3 ns @ 3.3 V 1.65 V 32mA
RS 제품 번호 145-0179
제조사 부품 번호SN74LS136N
₩995.10
Each (In a Tube of 25)
수량
XOR Through Hole 4 2 No PDIP 14 LS - 5.25 V -0.1mA 30 ns @ 5 V 4.75 V 8mA
RS 제품 번호 518-8616
제조사 부품 번호MC14001BDG
제조사ON Semiconductor
₩756.40
Each
수량
NOR Surface Mount 4 2 No SOIC 14 4000 - 18 V -4.2mA 80 ns @ 15 V, 100 ns @ 10 V, 250 ns @ 5 V 3 V 4.2mA
RS 제품 번호 145-0164
제조사 부품 번호SN74AHC08D
₩444.85
Each (In a Tube of 50)
수량
AND Surface Mount 4 2 No SOIC 14 AHC - 5.5 V -8mA 7.9 ns @ 5 V, 12.3 ns @ 3.3 V 2 V 8mA
RS 제품 번호 162-7492
제조사 부품 번호SN74LVC2G08DCTR
₩291.40
Each (On a Reel of 3000)
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AND Surface Mount 2 2 No SSOP 8 LVC - 5.5 V -32mA 3.8 ns @ 5 V, 4.7 ns @ 3.3 V 1.65 V 32mA
RS 제품 번호 166-2402
제조사 부품 번호74LCX08MX
제조사ON Semiconductor
₩336.35
Each (On a Reel of 2500)
수량
AND Surface Mount 4 2 No SOIC 14 LCX - 3.6 V -24mA 5.5 ns @ 3.3 V, 6.2 ns @ 2.7 V 2 V 24mA
RS 제품 번호 761-4568
제조사 부품 번호NC7WZ08K8X
제조사ON Semiconductor
₩478.95
Each (On a Tape of 25)
수량
AND Surface Mount 2 2 No US 8 - CMOS 5.5 V -32mA 5.2ns 1.65 V 32mA
RS 제품 번호 162-6947
제조사 부품 번호CD74HC30PWR
₩170.50
Each (On a Reel of 2000)
수량
NAND Surface Mount 1 8 No TSSOP 14 HC - 6 V -5.2mA 22 ns @ 6 V, 26 ns @ 4.5 V, 130 ns @ 2 V 2 V 5.2mA
RS 제품 번호 527-069
제조사 부품 번호CD4070BE
₩720.75
Each (In a Tube of 25)
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XOR 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
RS 제품 번호 145-0660
제조사 부품 번호CD4011UBM
₩534.75
Each (In a Tube of 50)
수량
NAND Surface Mount 4 2 No SOIC 14 4000 - 18 V -4.2mA 50 ns @ 15 V, 60 ns @ 10 V, 120 ns @ 5 V 3 V 4.2mA
RS 제품 번호 662-8910
제조사 부품 번호SN74LVC2G08DCTR
₩874.20
Each (In a Pack of 5)
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AND Surface Mount 2 2 No SSOP 8 LVC - 5.5 V -32mA 3.8 ns @ 5 V, 4.7 ns @ 3.3 V 1.65 V 32mA
RS 제품 번호 163-0500
제조사 부품 번호MC10EL04DG
제조사ON Semiconductor
₩7,756.20
Each (In a Tube of 98)
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AND/NAND Surface Mount 1 2 No SOIC 8 ECL ECL 5.7 V - 395ps -4.2 V 0.3µA
RS 제품 번호 922-2909
제조사 부품 번호CD4093BM
₩663.40
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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
RS 제품 번호 662-7096
제조사 부품 번호CD74HC30PWR
₩520.80
Each (In a Pack of 10)
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NAND Surface Mount 1 8 No TSSOP 14 HC - 6 V -5.2mA 22 ns @ 6 V, 26 ns @ 4.5 V, 130 ns @ 2 V 2 V 5.2mA
RS 제품 번호 103-8153
제조사 부품 번호HEF4011BT,652
제조사Nexperia
₩426.25
Each (In a Tube of 57)
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NAND Surface Mount 4 2 No SOIC 14 4000 - 15 V -3.6mA 35 ns @ 15 V, 45 ns @ 10 V, 110 ns @ 5 V 3 V 3.6mA
RS 제품 번호 806-2157
제조사 부품 번호MC74AC11DR2G
제조사ON Semiconductor
₩595.20
Each (On a Tape of 50)
수량
AND Surface Mount 3 3 No SOIC 14 AC TTL 6 V -24mA 10 ns @ 50 pF 2 V 24mA
RS 제품 번호 791-6072
제조사 부품 번호MC14001BDR2G
제조사ON Semiconductor
₩499.10
Each (On a Tape of 25)
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NOR Surface Mount 4 2 No SOIC 14 4000 CMOS 18 V -4.2mA 350ns 0.5 V 4.2mA
RS 제품 번호 165-8729
제조사 부품 번호74LVC2G08DC,125
제조사Nexperia
₩319.30
Each (On a Reel of 3000)
수량
AND Surface Mount 2 2 No VSSOP 8 LVC TTL 5.5 V -32mA 6.7 ns @ 50 pF 1.65 V 32mA
RS 제품 번호 662-8506
제조사 부품 번호SN74LV32APWR
₩416.95
Each (In a Pack of 10)
수량
OR Surface Mount 4 2 No TSSOP 14 LV - 5.5 V -12mA 7.5 ns @ 5 V, 11.4 ns @ 3.3 V, 16.2 ns @ 2.5 V 2 V 12mA