Buffers

Buffers, also known as logic buffers are semiconductor IC (integrated circuit) that are constructed of two inverters that are back to back providing a basic logic gate that passes its input, unchanged, to its output. Buffer ICs are also available in both inverting and non-inverting.

How do buffers work?

The primary purpose of a buffer IC is to regenerate the input, primarily using a strong low and high and also to regenerate weak output from non-restoring logic. They are also used to increase the propagation delay of circuits by driving the large capacitive load.

Buffers also feature transceivers and drivers that are used to regenerate the input utilising a strong high and a strong low. Buffer gates serve as an amplifier of a weak signal source is cant source a lot of current whilst increasing the current capacity of the signal so as to be able to drive a load.

Types of buffers

Buffers are available with a variety of configurations such as variations on the number of channels available, supporting a variety of different inputs and outputs such as CMOS, DTL (Diode-Transistor Logic) and single-ended and providing support for a range of logic families such as HC, HEF and TTL. Buffers are also available in combination with a converter.

Another type of buffer that is available is Bus buffers. A bus buffer is an IC that connects multiple data sources to a single bus. The open drivers can be selected to be either a logical high, a logical low, or high impedance which allows other buffers to drive the bus. Like buffers, variations of bus buffers are available such as support for different logic families, inputs, outputs as well as the number of pins configured on the IC.

Bus buffers are used in applications such as TV and video equipment, industrial controls and portable equipment.

Application

Buffers have a wide range of application use such as;

  • Automatic test equipment
  • Board test systems
  • Instrumentation and characterization equipment
  • Semiconductor test systems

...
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Beskrivning Pris Logic Family Logic Function IC Type Number of Channels Schmitt Trigger Input Input Type Output Type Polarity Mounting Type Package Type Pin Count Maximum High Level Output Current Maximum Low Level Output Current Maximum Propagation Delay Time @ Maximum CL
RS-artikelnummer 527-760
Tillv. art.nrCD74HC4050M
VarumärkeTexas Instruments
4,106 kr
Each (In a Tube of 40)
Enheter
HC Buffer, Converter - 6 No Single Ended - Non-Inverting Surface Mount SOIC 16 -5.2mA 5.2mA 85 ns @ 2 V
RS-artikelnummer 162-8905
Tillv. art.nrM74VHC1GT126DT1G
VarumärkeON Semiconductor
0,521 kr
Each (On a Reel of 3000)
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VHC Buffer - 1 No Single Ended CMOS, Single Ended Non-Inverting Surface Mount TSOP 5 -8mA 8mA 16 ns @ 50 pF
RS-artikelnummer 805-1536
Tillv. art.nrM74VHC1GT126DT1G
VarumärkeON Semiconductor
1,007 kr
Each (In a Pack of 100)
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VHC Buffer - 1 No Single Ended CMOS, Single Ended Non-Inverting Surface Mount TSOP 5 -8mA 8mA 16 ns @ 50 pF
RS-artikelnummer 798-8887
Tillv. art.nr74AHC125S14-13
VarumärkeDiodesZetex
2,901 kr
Each (In a Pack of 25)
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AHC Schmitt Trigger Buffer - 4 Yes Schmitt Trigger 3 State Non-Inverting Surface Mount SOIC 14 -4mA 8mA 14.5 ns @ 50 pF
RS-artikelnummer 921-2858
Tillv. art.nrP82B715P
VarumärkeTexas Instruments
21,853 kr
Each (In a Tube of 50)
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P82B - - - - - - - Through Hole PDIP 8 - - -
RS-artikelnummer 169-7215
Tillv. art.nr74AHC125S14-13
VarumärkeDiodesZetex
1,065 kr
Each (On a Reel of 2500)
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AHC Schmitt Trigger Buffer - 4 Yes Schmitt Trigger 3 State Non-Inverting Surface Mount SOIC 14 -4mA 8mA 14.5 ns @ 50 pF
RS-artikelnummer 812-2650
Tillv. art.nrP82B715P
VarumärkeTexas Instruments
25,59 kr
Each
Enheter
P82B - - - - - - - Through Hole PDIP 8 - - -
RS-artikelnummer 121-8441
Tillv. art.nrSN74LVC1G125DBVR
VarumärkeTexas Instruments
0,414 kr
Each (On a Reel of 3000)
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LVC - - - - - - - Surface Mount SOT-23 5 -32mA 32mA 4 ns @ 5 V
RS-artikelnummer 169-5703
Tillv. art.nrSN74LVC2G17DCKT
VarumärkeTexas Instruments
5,289 kr
Each (On a Reel of 250)
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LVC Schmitt Trigger Buffer - 2 Yes Single Ended - Non-Inverting Surface Mount SC-70 6 -32mA 32mA 5.4 ns @ 3.3 V
RS-artikelnummer 662-8266
Tillv. art.nrSN74HCT125DR
VarumärkeTexas Instruments
2,922 kr
Each (In a Pack of 10)
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HCT Buffer, Line Driver Buffer & Line Driver - - Single Ended 3 State Non-Inverting Surface Mount SOIC 14 -6mA 6mA 36 ns @ 4.5 V
RS-artikelnummer 662-8948
Tillv. art.nrSN74LVC2G17DCKR
VarumärkeTexas Instruments
2,677 kr
Each (In a Pack of 10)
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LVC Schmitt Trigger Buffer - 2 Yes Single Ended - Non-Inverting Surface Mount SC-70 6 -32mA 32mA 5.4 ns @ 3.3 V
RS-artikelnummer 528-264
Tillv. art.nrSN74LVC1G125DBVR
VarumärkeTexas Instruments
1,868 kr
Each (In a Pack of 25)
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LVC - - - - - - - Surface Mount SOT-23 5 -32mA 32mA 4 ns @ 5 V
RS-artikelnummer 805-1560
Tillv. art.nrM74VHC1GT50DTT1G
VarumärkeON Semiconductor
0,935 kr
Each (In a Pack of 100)
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VHC Buffer - 1 No Single Ended CMOS, Single Ended Non-Inverting Surface Mount TSOP 5 -8mA 8mA 25.5 ns @ 50 pF
RS-artikelnummer 179-2131
Tillv. art.nrSN74HCT125DR
VarumärkeTexas Instruments
2,924 kr
Each (In a Tube of 50)
Enheter
HCT - - - - - - - Surface Mount SOIC 14 -6mA 6mA 36 ns @ 4.5 V
RS-artikelnummer 662-8957
Tillv. art.nrSN74LVC2G17DCKT
VarumärkeTexas Instruments
9,214 kr
Each (In a Pack of 5)
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LVC Schmitt Trigger Buffer - 2 Yes Single Ended - Non-Inverting Surface Mount SC-70 6 -32mA 32mA 5.4 ns @ 3.3 V
RS-artikelnummer 922-2864
Tillv. art.nrSN74LVC2G17DCKR
VarumärkeTexas Instruments
0,761 kr
Each (On a Reel of 3000)
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LVC Schmitt Trigger Buffer - 2 Yes Single Ended - Non-Inverting Surface Mount SC-70 6 -32mA 32mA 5.4 ns @ 3.3 V
RS-artikelnummer 171-3029
Tillv. art.nrTC7SZ17F
VarumärkeToshiba
0,483 kr
Each (On a Reel of 3000)
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- - - 1 Yes CMOS, Schmitt Trigger CMOS Non-Inverting Surface Mount SOT-25 5 -32mA 32mA 17.5 ns @ 15 pF
RS-artikelnummer 171-3022
Tillv. art.nrTC7SZ07FE,LJ(CT
VarumärkeToshiba
0,488 kr
Each (On a Reel of 4000)
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- - - 1 - - - Non-Inverting Surface Mount SOT-25 5 -32mA 32mA 12 ns @ 50 pF
RS-artikelnummer 171-3030
Tillv. art.nrTC7SZ17FE
VarumärkeToshiba
0,888 kr
Each (On a Reel of 4000)
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- - - 1 Yes CMOS, Schmitt Trigger CMOS Non-Inverting Surface Mount SOT-553 5 -24mA 32mA 17.5 ns @ 15 pF
RS-artikelnummer 171-3536
Tillv. art.nr74LCX541FT
VarumärkeToshiba
2,853 kr
Each (In a Pack of 20)
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74LCX - - 8 - CMOS - Non-Inverting Surface Mount TSSOP 20 -8mA 24mA 25 ns @ 50 pF