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 162-9372
Référence fabricantM74VHC1GT126DF1G
0,02 €
Each (On a Reel of 3000)
Unité
LSTTL Buffer - 1 No Single Ended Single Ended Non-Inverting Surface Mount SC-70 5 - - 16ns
N° de stock RS 827-0305
Référence fabricant74LV07AT14-13
MarqueDiodesZetex
0,055 €
Each (In a Pack of 50)
Unité
74LV Buffer - 6 Yes Schmitt Trigger Open Drain - Surface Mount TSSOP 14 - 12mA 8.5 ns @ 50 pF
N° de stock RS 169-7478
Référence fabricant74LV07AT14-13
MarqueDiodesZetex
0,055 €
Each (On a Reel of 2500)
Unité
74LV Buffer - 6 Yes Schmitt Trigger Open Drain - Surface Mount TSSOP 14 - 12mA 8.5 ns @ 50 pF
N° de stock RS 806-3251
Référence fabricantMC14503BDG
0,441 €
Each (In a Pack of 20)
Unité
CMOS Buffer - 6 No Single Ended 3 State Non-Inverting Surface Mount SOIC 16 19.2mA -8.2mA 200ns
N° de stock RS 162-8905
Référence fabricantM74VHC1GT126DT1G
0,054 €
Each (On a Reel of 3000)
Unité
VHC Buffer - 1 No Single Ended CMOS, Single Ended Non-Inverting Surface Mount TSOP 5 -8mA 8mA 16 ns @ 50 pF
N° de stock RS 791-6053
Référence fabricantM74VHC1GT126DF1G
0,024 €
Each (On a Tape of 100)
Unité
LSTTL Buffer - 1 No Single Ended Single Ended Non-Inverting Surface Mount SC-70 5 - - 16ns
N° de stock RS 725-8764
Référence fabricantPCA9600DP,118
MarqueNXP
3,31 €
Each
Unité
CMOS, TTL - - - - - - - Surface Mount TSSOP 8 - - -
N° de stock RS 169-7224
Référence fabricant74AHCT125S14-13
MarqueDiodesZetex
0,11 €
Each (On a Reel of 2500)
Unité
AHCT Schmitt Trigger Buffer - 4 Yes Schmitt Trigger 3 State Non-Inverting Surface Mount SOIC 14 -8mA 8mA 9.5 ns @ 50 pF
N° de stock RS 124-2339
Référence fabricantP82B96TD,112
MarqueNXP
2,192 €
Each (In a Tube of 100)
Unité
LVC - - - - - - - Surface Mount SOIC 8 - - -
N° de stock RS 178-6988
Référence fabricant74ABT125D,602
MarqueNexperia
0,478 €
Each (In a Tube of 57)
Unité
ABT Buffer, Line Driver - 4 No Single Ended 3 State Non-Inverting Surface Mount SOIC 14 -32mA 64mA 4.6 ns @ 5 V
N° de stock RS 162-8913
Référence fabricantMC74VHCT125ADR2G
0,116 €
Each (On a Reel of 2500)
Unité
HCT - - - - - - - Surface Mount SOIC 14 -25mA 25mA 16 ns @ 50 pF
N° de stock RS 124-2357
Référence fabricantPCA9600D,112
MarqueNXP
1,868 €
Each (In a Tube of 100)
Unité
CMOS, TTL - - - - - - - Surface Mount SOIC 8 - - -
N° de stock RS 812-2656
Référence fabricantP82B715D
2,20 €
Each
Unité
P82B - - - - - - - Surface Mount SOIC 8 - - -
N° de stock RS 169-3524
Référence fabricant74ABT125D,602
MarqueNexperia
0,54 €
Each
Unité
ABT Buffer, Line Driver - 4 No Single Ended 3 State Non-Inverting Surface Mount SOIC 14 -32mA 64mA 4.6 ns @ 5 V
N° de stock RS 805-6414
Référence fabricantMC74VHCT125ADR2G
0,342 €
Each (On a Tape of 50)
Unité
HCT - - - - - - - Surface Mount SOIC 14 -25mA 25mA 16 ns@ 50 pF
N° de stock RS 806-3254
Référence fabricantMC14503BDR2G
0,441 €
Each (In a Pack of 20)
Unité
CMOS Buffer - 6 No - 3 State Non-Inverting Surface Mount SOIC 16 19.2mA -8.2mA 200ns
N° de stock RS 124-2358
Référence fabricantPCA9600DP,118
MarqueNXP
1,727 €
Each (On a Reel of 2500)
Unité
CMOS, TTL - - - - - - - Surface Mount TSSOP 8 - - -
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 812-2662
Référence fabricantP82B96P
3,05 €
Each
Unité
P82B96 - - - - - - - Through Hole PDIP 8 - 3mA 270ns
N° de stock RS 171-3128
Référence fabricantTC7WZ17FK
MarqueToshiba
0,066 €
Each (In a Pack of 50)
Unité
- - - 1 Yes CMOS, Schmitt Trigger CMOS Non-Inverting Surface Mount SOT-765 8 -32mA 32mA 17.5 ns @ 15 pF