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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Description Prix 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
N° de stock RS 891-2838
Référence fabricantTC7WG125FK(TE85L,F
MarqueToshiba
0,419 €
Each (In a Pack of 10)
Unité
CMOS - - - - - - - Surface Mount SSOP 8 -8mA 8mA 58.1 ns@ 30 pF
N° de stock RS 171-3378
Référence fabricant74HC125D
MarqueToshiba
0,083 €
Each (On a Reel of 2500)
Unité
74HC - - - - - - - Surface Mount SOIC 14 -7.8mA 7.8mA 195 ns @ 150 pF
N° de stock RS 171-3379
Référence fabricant74HC126D
MarqueToshiba
0,083 €
Each (On a Reel of 2500)
Unité
74HC - - - - - - - Surface Mount SOIC 14 -7.8mA 7.8mA 195 ns @ 150 pF
N° de stock RS 171-3080
Référence fabricantTC7WZ07FU
MarqueToshiba
0,072 €
Each (In a Pack of 50)
Unité
- - - 1 - CMOS - Non-Inverting Surface Mount SOT-505 8 - 32mA 9.5 ns @ 50 pF
N° de stock RS 171-3584
Référence fabricant74HC244D
MarqueToshiba
0,545 €
Each (In a Pack of 10)
Unité
74HC - - - - - - - Surface Mount SOIC 20 -7.8mA 7.8mA 165 ns @ 150 pF
N° de stock RS 171-3398
Référence fabricant74LCX244FT
MarqueToshiba
0,24 €
Each (In a Pack of 20)
Unité
74LCX - - - - - - - Surface Mount TSSOP 20 -24mA 24mA 25 ns @ 50 pF
N° de stock RS 171-3029
Référence fabricantTC7SZ17F
MarqueToshiba
0,047 €
Each (On a Reel of 3000)
Unité
- - - 1 Yes CMOS, Schmitt Trigger CMOS Non-Inverting Surface Mount SOT-25 5 -32mA 32mA 17.5 ns @ 15 pF
N° de stock RS 171-3175
Référence fabricantTC7SH126F
MarqueToshiba
0,036 €
Each (In a Pack of 100)
Unité
- - - - - - - - Surface Mount SOT-25 5 -8mA 8mA 14.5 ns @ 50 pF
N° de stock RS 891-2778
Référence fabricantTC74HCT244AP(F)
MarqueToshiba
1,254 €
Each (In a Pack of 5)
Unité
74HC - - - - - - - Through Hole PDIP 20 -6mA 6mA 38 ns@ 150 pF
N° de stock RS 171-3315
Référence fabricant74VHC125FT
MarqueToshiba
0,076 €
Each (On a Reel of 2500)
Unité
74VHC - - - - - - - Surface Mount TSSOP 14 -8mA 8mA 14.5 ns @ 50 pF
N° de stock RS 891-2825
Référence fabricantTC7W125FU(TE12L,F)
MarqueToshiba
0,456 €
Each (In a Pack of 10)
Unité
CMOS - - - - - - - Surface Mount SSOP 8 -7.8mA 7.8mA 165 ns@ 150 pF
N° de stock RS 171-3023
Référence fabricantTC7SZ07FE
MarqueToshiba
0,047 €
Each (On a Reel of 4000)
Unité
- - - 1 - - - Non-Inverting Surface Mount SOT-553 5 -32mA 32mA 12 ns @ 50 pF
N° de stock RS 171-3086
Référence fabricant74HC540D
MarqueToshiba
0,545 €
Each (In a Pack of 10)
Unité
74HC - - - - - - - Surface Mount SOIC 20 -7.8mA 7.8mA 165 ns @ 150 pF
N° de stock RS 171-3014
Référence fabricantTC7SH126F
MarqueToshiba
0,035 €
Each (On a Reel of 3000)
Unité
- - - - - - - - Surface Mount SOT-25 5 -8mA 8mA 14.5 ns @ 50 pF
N° de stock RS 171-3102
Référence fabricantTC7SZ07FE,LJ(CT
MarqueToshiba
0,048 €
Each (In a Pack of 100)
Unité
- - - 1 - - - Non-Inverting Surface Mount SOT-25 5 -32mA 32mA 12 ns @ 50 pF
N° de stock RS 171-3519
Référence fabricant74LCX540FT
MarqueToshiba
0,484 €
Each (In a Pack of 20)
Unité
74LCX - - 8 - CMOS - Inverting Surface Mount TSSOP 20 -24mA 24mA 25 ns @ 50 pF
N° de stock RS 896-6747
Référence fabricantTC7SH125F,LJ(CT
MarqueToshiba
0,202 €
Each (In a Pack of 50)
Unité
VHC - - - - - - - Surface Mount SSOP 5 -8mA 8mA 13 ns@ 50 pF
N° de stock RS 171-3104
Référence fabricantTC7WZ126FK
MarqueToshiba
0,072 €
Each (In a Pack of 50)
Unité
- - - - - - - - Surface Mount SOT-765 8 -32mA 32mA 13 ns @ 15 pF
N° de stock RS 171-3457
Référence fabricant74VHCT244AFT
MarqueToshiba
0,251 €
Each (In a Pack of 25)
Unité
74VHCT - - - - - - - Surface Mount TSSOP 20 -8mA 8mA 10.5 ns @ 50 pF
N° de stock RS 171-3118
Référence fabricantTC7SET17F
MarqueToshiba
0,036 €
Each (In a Pack of 50)
Unité
- - - 1 Yes CMOS, Schmitt Trigger CMOS, TTL Non-Inverting Surface Mount SOT-25 5 -8mA 8mA 13.5 ns @ 50 pF