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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Omschrijving Prijs 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-stocknr. 812-2650
FabrikantnummerP82B715P
2,40 €
Each
Aantal stuks
P82B - - - - - - - Through Hole PDIP 8 - - -
RS-stocknr. 921-2858
FabrikantnummerP82B715P
2,049 €
Each (In a Tube of 50)
Aantal stuks
P82B - - - - - - - Through Hole PDIP 8 - - -
RS-stocknr. 145-0019
FabrikantnummerCD74HC4050E
0,356 €
Each (In a Tube of 25)
Aantal stuks
HC Buffer, Converter - 6 - Single Ended - Non-Inverting Through Hole PDIP 16 -5.2mA 5.2mA 14 ns @ 6 V, 17 ns @ 4.5 V, 85 ns @ 2 V
RS-stocknr. 162-6651
FabrikantnummerSN74AHCT1G125DBVR
0,045 €
Each (On a Reel of 3000)
Aantal stuks
HCT - - - - - - - Surface Mount SOT-23 5 -8mA 8mA 8.5 ns @ 50 pF
RS-stocknr. 145-6812
FabrikantnummerSN74LVC1G17DRLR
0,073 €
Each (On a Reel of 4000)
Aantal stuks
LVC Buffer - 1 Yes Single Ended Single Ended Non-Inverting Surface Mount SOT-553 5 -32mA 32mA 11 ns @ 15 pF
RS-stocknr. 809-5980
FabrikantnummerSN74LVC1G17DRLR
0,234 €
Each (In a Pack of 20)
Aantal stuks
LVC Buffer - 1 Yes Single Ended Single Ended Non-Inverting Surface Mount SOT-553 5 -32mA 32mA 11 ns @ 15 pF
RS-stocknr. 796-8180
FabrikantnummerSN74AHCT1G125DBVR
0,202 €
Each (In a Pack of 25)
Aantal stuks
HCT - - - - - - - Surface Mount SOT-23 5 -8mA 8mA 8.5 ns @ 50 pF
RS-stocknr. 812-2662
FabrikantnummerP82B96P
2,75 €
Each
Aantal stuks
P82B96 - - - - - - - Through Hole PDIP 8 - 3mA 270ns
RS-stocknr. 121-9367
FabrikantnummerP82B715D
1,697 €
Each (In a Tube of 75)
Aantal stuks
P82B - - - - - - - Surface Mount SOIC 8 - - -
RS-stocknr. 121-9368
FabrikantnummerP82B96P
2,344 €
Each (In a Tube of 50)
Aantal stuks
P82B96 - - - - - - - Through Hole PDIP 8 - 3mA 270ns
RS-stocknr. 812-2656
FabrikantnummerP82B715D
2,00 €
Each
Aantal stuks
P82B - - - - - - - Surface Mount SOIC 8 - - -
RS-stocknr. 528-280
FabrikantnummerSN74AHC1G125DBVR
0,175 €
Each (In a Pack of 25)
Aantal stuks
AHC - - - - - - - Surface Mount SOT-23 5 -8mA 8mA 11.5 ns @ 3.3 V
RS-stocknr. 197-7524
FabrikantnummerSN74LVC1G34DBVT
0,422 €
Each (On a Reel of 250)
Aantal stuks
LVC Buffer - 1 No - - Non-Inverting - SOT-23 5 - - -
RS-stocknr. 179-2051
FabrikantnummerSN74ABT126D
0,659 €
Each (In a Tube of 50)
Aantal stuks
ABT - - - - - - - Surface Mount SOIC 14 -32mA 64mA 5.1 ns @ 5 V
RS-stocknr. 197-7525
FabrikantnummerSN74LVC1G34DBVT
0,556 €
Each (In a Pack of 25)
Aantal stuks
LVC Buffer - 1 No - - Non-Inverting - SOT-23 5 - - -
RS-stocknr. 145-0418
FabrikantnummerCD4041UBM
0,912 €
Each (In a Tube of 50)
Aantal stuks
4000 Buffer - 4 No Single Ended - Inverting, Non-Inverting Surface Mount SOIC 14 - - 120 ns @ 5 V
RS-stocknr. 809-9449
FabrikantnummerSN74AHC1G126DBVR
0,175 €
Each (In a Pack of 15)
Aantal stuks
AHC - - - - - - - Surface Mount SOT-23 5 -8mA 8mA 8.5 ns@ 50 pF
RS-stocknr. 145-0387
FabrikantnummerSN74LS365AN
1,078 €
Each (In a Tube of 25)
Aantal stuks
LS Buffer, Line Driver - 6 No Single Ended 3 State Non-Inverting Through Hole PDIP 16 -2.6mA 24mA 22 ns @ 5 V
RS-stocknr. 662-9496
FabrikantnummerCD4009UBM
0,438 €
Each (In a Pack of 5)
Aantal stuks
4000 Buffer, Converter - - - Single Ended - Inverting Surface Mount SOIC 16 -1.65mA 30mA 60 ns @ 15 V, 80 ns @ 10 V, 140 ns @ 5 V
RS-stocknr. 162-7326
FabrikantnummerSN74ALS1004N
2,393 €
Each (In a Tube of 25)
Aantal stuks
ALS Driver - 6 No Single Ended - Inverting Through Hole PDIP 14 -15mA 24mA 7 ns @ 5.5 V