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
RS stock no. 165-8350
Mfr. Part No.ULN2003V12S16-13
R 2.322
Each (On a Reel of 2500)
units
- Surface Mount - - - SOIC 16 - CMOS 5 V - 140ns 3.3 V 140mA
RS stock no. 921-0811
Mfr. Part No.ULN2003V12S16-13
R 5.818
Each (In a Pack of 30)
units
- Surface Mount - - - SOIC 16 - CMOS 5 V - 140ns 3.3 V 140mA
RS stock no. 921-1265
Mfr. Part No.ZXGD3009DYTA
R 4.129
Each (In a Pack of 50)
units
Non-Inverting Surface Mount 2 - - SOT-363 6 - Single 40 V - - - -
RS stock no. 165-8332
Mfr. Part No.ZXGD3009DYTA
R 1.241
Each (On a Reel of 3000)
units
Non-Inverting Surface Mount 2 - - SOT-363 6 - Single 40 V - - - -
RS stock no. 751-2768
Mfr. Part No.74AHC1G02SE-7
R 1.175
Each (In a Pack of 100)
units
NOR Surface Mount 1 2 Yes SOT-353 5 AHC Schmitt Trigger 5.5 V -8mA 9.5ns 2 V 4mA
RS stock no. 122-0340
Mfr. Part No.74AHC1G02SE-7
R 0.623
Each (On a Reel of 3000)
units
NOR Surface Mount 1 2 - SOT-353 5 AHC Schmitt Trigger 5.5 V -8mA 9.5ns 2 V 4mA
RS stock no. 822-8710
Mfr. Part No.74LVC1G58W6-7
R 0.442
Each (In a Pack of 100)
units
Multifunction Surface Mount 1 3 No SOT-26 6 LVC CMOS 5.5 V -32mA - 1.65 V 32mA
RS stock no. 169-7127
Mfr. Part No.74LVC1G07Z-7
R 0.579
Each (On a Reel of 4000)
units
Non-Inverting Surface Mount 1 - - SOT-553 5 LVC CMOS 5.5 V -32mA 6 ns @ 2.7 V 1.65 V 32mA
RS stock no. 146-0953
Mfr. Part No.ULN2003V12T16-13
R 2.251
Each (On a Reel of 2500)
units
- Surface Mount - - - TSSOP 16 - CMOS 5 V - 140ns 3.3 V 140mA
RS stock no. 921-0815
Mfr. Part No.ULN2003V12T16-13
R 5.60
Each (In a Pack of 30)
units
- Surface Mount - - - TSSOP 16 - CMOS 5 V - 140ns 3.3 V 140mA
RS stock no. 165-8849
Mfr. Part No.74AHC1G00W5-7
R 0.671
Each (On a Reel of 3000)
units
NAND Surface Mount 1 2 Yes SOT-25 5 AHC Schmitt Trigger 5.5 V -8mA - 2 V 8mA
RS stock no. 122-0346
Mfr. Part No.74LVC1G08SE-7
R 0.80
Each (On a Reel of 3000)
units
AND Surface Mount 1 2 - SOT-353 5 LVC - 5.5 V -32mA 5.5ns 1.65 V 32mA
RS stock no. 822-8650
Mfr. Part No.74AHC1G00W5-7
R 1.256
Each (In a Pack of 100)
units
NAND Surface Mount 1 2 Yes SOT-25 5 AHC Schmitt Trigger 5.5 V -8mA - 2 V 8mA
RS stock no. 165-8859
Mfr. Part No.74LVC1G58W6-7
R 0.459
Each (On a Reel of 3000)
units
Multifunction Surface Mount 1 3 No SOT-26 6 LVC CMOS 5.5 V -32mA - 1.65 V 32mA
RS stock no. 770-5339
Mfr. Part No.74LVC1G07Z-7
R 0.61
Each (In a Pack of 50)
units
Non-Inverting Surface Mount 1 - - SOT-553 5 LVC CMOS 5.5 V -32mA 6 ns @ 2.7 V 1.65 V 32mA
RS stock no. 751-2806
Mfr. Part No.74LVC1G08SE-7
R 1.354
Each (On a Tape of 100)
units
AND Surface Mount 1 2 No SOT-353 5 LVC - 5.5 V -32mA 5.5ns 1.65 V 32mA
RS stock no. 146-0935
Mfr. Part No.74AHC1G32W5-7
R 0.656
Each (On a Reel of 3000)
units
OR Surface Mount 1 2 No SOT-25 5 AHC CMOS 5.5 V -8mA 9.5 ns @ 50 pF 2 V 8mA
RS stock no. 146-0936
Mfr. Part No.74AHCT1G00SE-7
R 0.299
Each (On a Reel of 3000)
units
NAND Surface Mount 1 2 No SOT-353 5 AHCT CMOS 5.5 V -8mA 10 ns @ 50 pF 4.5 V 8mA
RS stock no. 798-8875
Mfr. Part No.74AHC08S14-13
R 4.357
Each (On a Tape of 25)
units
AND Surface Mount 4 2 Yes SOIC 14 AHC Schmitt Trigger 5.5 V -4mA 14.5 ns @ 50 pF 2 V 8mA
RS stock no. 169-7241
Mfr. Part No.74HCT00S14-13
R 1.523
Each (On a Reel of 2500)
units
NAND Surface Mount 4 2 Yes SOIC 14 HCT Schmitt Trigger 5.5 V -4mA 29 ns @ 50 pF 4.5 V 4mA