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 186-8250
Référence fabricantNL37WZ07USG
0,283 €
Each (In a Pack of 25)
Unité
- Buffer - 3 - Open Drain Open Drain - Surface Mount US 8 - 32mA 7.8 ns @ 50 pF
N° de stock RS 806-6171
Référence fabricantNC7SP125P5X
0,30 €
Each (In a Pack of 25)
Unité
TinyLogic ULP Buffer - 1 No Power Down High Impedance 3 State Inverting Surface Mount SC-70 5 -2.6mA 2.6mA 51.1ns
N° de stock RS 806-3844
Référence fabricantMC74LVX50DTG
0,088 €
Each (In a Pack of 50)
Unité
LVX Buffer - 6 No CMOS CMOS Non-Inverting Surface Mount TSSOP 14 -4mA 4mA 16 ns @ 50 pF
N° de stock RS 162-8901
Référence fabricantM74VHC1G126DTT1G
0,032 €
Each (On a Reel of 3000)
Unité
VHC Buffer - 1 No Single Ended 3 State Non-Inverting Surface Mount TSOP 5 -8mA 8mA 16 ns @ 50 pF
N° de stock RS 153-2933
Référence fabricant74LVC2G07GW-Q100H
MarqueNexperia
0,072 €
Each (In a Pack of 25)
Unité
74LVC Buffer - 2 Yes Schmitt Trigger Open Drain Non-Inverting Surface Mount SC-88 6 - 32mA 8.4 ns @ 50 pF
N° de stock RS 171-3033
Référence fabricantTC7SZ34FE
MarqueToshiba
0,047 €
Each (On a Reel of 4000)
Unité
- Non-Inverting - 1 - CMOS CMOS Non-Inverting Surface Mount SOT-553 5 -32mA 32mA 11 ns @ 15 pF
N° de stock RS 770-5311
Référence fabricant74LVC14AT14-13
MarqueDiodesZetex
0,263 €
Each (In a Pack of 25)
Unité
LVC NOT - - - Schmitt Trigger Push-Pull - Surface Mount TSSOP 14 -24mA 24mA 7 ns @ 2.7 V
Nouveau
N° de stock RS 216-8613
Référence fabricantLTC4311CSC6#TRMPBF
3,39 €
Each (In a Pack of 2)
Unité
LTC Buffer - - No - - - - SC-70 6 - - -
N° de stock RS 171-3289
Référence fabricant74LCX125FT
MarqueToshiba
0,076 €
Each (On a Reel of 2500)
Unité
74LCX - - - - - - - Surface Mount TSSOP 14 -24mA 24mA 22 ns @ 50 pF
N° de stock RS 805-1532
Référence fabricantM74VHC1GT125DT1G
0,084 €
Each (In a Pack of 100)
Unité
VHC Buffer - 1 No Single Ended CMOS, Single Ended Non-Inverting Surface Mount TSOP 5 -8mA 8mA 16 ns @ 50 pF
Nouveau
N° de stock RS 218-4595
Référence fabricantSN74LV1T34DBVR
0,10 €
Each (On a Reel of 3000)
Unité
CMOS Buffer - 1 No CMOS CMOS - - SOT-23 5 - - -
N° de stock RS 171-3043
Référence fabricantTC7WH125FK
MarqueToshiba
0,122 €
Each (On a Reel of 3000)
Unité
- - - - - - - - Surface Mount SOT-765 8 -8mA 8mA 14.5 ns @ 50 pF
N° de stock RS 802-1190
Référence fabricant74LCX07MTC
0,361 €
Each (In a Tube of 94)
Unité
74LCX Buffer - 6 No Single Ended Open Drain Non-Inverting Surface Mount TSSOP 14 - 32mA 4.4 ns @ 50 pF
N° de stock RS 155-9362
Référence fabricantLTC4311ISC6#TRMPBF
2,45 €
Each (On a Reel of 500)
Unité
LTC - - - - - - - Surface Mount SC-70 6 - - -
N° de stock RS 103-5688
Référence fabricant74HCT7541D,112
MarqueNexperia
1,553 €
Each (In a Tube of 38)
Unité
HCT Buffer, Line Driver - 8 Yes Single Ended 3 State Non-Inverting Surface Mount SOIC 20 -6mA 6mA 32 ns @ 4.5 V
N° de stock RS 145-6688
Référence fabricantSN74AHC1G125DBVR
0,039 €
Each (On a Reel of 3000)
Unité
AHC - - - - - - - Surface Mount SOT-23 5 -8mA 8mA 11.5 ns @ 3.3 V
N° de stock RS 171-3348
Référence fabricant74VHC540FT
MarqueToshiba
0,083 €
Each (On a Reel of 2500)
Unité
74VHC - - - - - - - Surface Mount TSSOP 20 -8mA 8mA 13.5 ns @ 50 pF
N° de stock RS 186-7333
Référence fabricantNL17SZ07DFT2G
0,028 €
Each (On a Reel of 3000)
Unité
- Buffer - 1 - Single Open Drain Non-Inverting Surface Mount SC 5 - 32mA 9.5 ns @ 50 pF
N° de stock RS 197-7466
Référence fabricantP82B96D
2,408 €
Each (In a Tube of 75)
Unité
LVC - - - - - - - - SOIC 8 - 30mA -
N° de stock RS 122-1485
Référence fabricant74LVC125AT14-13
MarqueDiodesZetex
0,08 €
Each (On a Reel of 2500)
Unité
LVC Non-Inverting - - No CMOS 3 State - Surface Mount TSSOP 14 -24mA 24mA 7 ns @ 2.7 V