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Buffers

Logic buffers are integrated circuit semiconductor devices with integral back-to-back bi-inverters designed to provide a basic logic gate to pass intact input into output. These bus buffers come in surface mount and through-hole mounting types with inverting and non-inverting configurations. In addition, they feature various pin numbers ranging from 5 to 100 with different voltage supplies. 

How Do They Work?

Buffers house drivers and transceivers that use robust high and low attributes for input regeneration. These semiconductors act as weak signal sources with limited current sources, increasing the signal current capacity for driving loads. 

What are the Types of Buffers?

Buffers have a variety of types based on their configurations, combinations with converters, input/output support, and logic families’ support. They differ based on the channel numbers that support multiple inputs and outputs like DTL and CMOS, along with supporting logic families, including HEF, TTL, and HC. 

A bus buffer is another type of buffer designed to connect various data sources to each bus and is chosen based on its logical high, low, and high impedance that supports multiple input/output, families, and pin numbers that are configured on the integrated circuit. 

Typical Applications of Buffers

  • The primary function of a buffer is to regenerate weak output from non-restoring logic and the input, exploiting a strong low and high. 
  • They are also ideal for increasing circuits’ propagation delays using significant capacitive load driving. 

They are also primarily found in:

  • TV and Video Equipment
  • Automatic Test Equipment
  • Portable Equipment 
  • Board Test Systems
  • Industrial Controls 
  • Instrumentation and Characterisation Equipment
  • Semiconductor Test Systems

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DiodesZetex
Rohs Verified
74LVC1G17SE-7, DiodesZetex
598 In Stock
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200 +
£ 0.050
1600 +
£ 0.038
Rohs Verified
NL27WZ16DTT1G, onsemi
7458 In Stock
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50 +
£ 0.20
500 +
£ 0.17
1000 +
£ 0.15
Rohs Verified
MC74ACT125DG, onsemi
6135 In Stock
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55 +
£ 0.43
110 +
£ 0.29
1045 +
£ 0.28
Rohs Verified
BD7LS07G-CTL, ROHM
Pre Order
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3000 +
£ 0.12
Rohs Verified
74LVC126APW,112, Nexperia
Pre Order
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32 +
£ 0.31
320 +
£ 0.27
800 +
£ 0.24
Rohs Verified
HEF4049BT,653, Nexperia
47498 In Stock
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2500 +
£ 0.11
DiodesZetex
Rohs Verified
74HC126S14-13, DiodesZetex
48 In Stock
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25 +
£ 0.23
125 +
£ 0.12
250 +
£ 0.10
Rohs Verified
74LVC2G17GW,125, Nexperia
798 In Stock
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40 +
£ 0.073
200 +
£ 0.068
400 +
£ 0.063
Renesas Electronics
Rohs Verified
9ZX21200AKLF, Renesas Electronics
258 In Stock
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260 +
£ 2.64
Rohs Verified
BD74C126FV-CE2, ROHM
Pre Order
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10 +
£ 0.39
100 +
£ 0.37
250 +
£ 0.34
DiodesZetex
Rohs Verified
74AHC125S14-13, DiodesZetex
73 In Stock
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25 +
£ 0.18
250 +
£ 0.17
625 +
£ 0.16
Rohs Verified
74HCT1G126GW,125, Nexperia
11473 In Stock
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75 +
£ 0.12
Rohs Verified
74LVT126PW,112, Nexperia
30 In Stock
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16 +
£ 0.18
Rohs Verified
M74VHC1G126DTT1G, onsemi
77891 In Stock
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100 +
£ 0.088
500 +
£ 0.076
1000 +
£ 0.066
Renesas Electronics
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74LVC16244APAG8, Renesas Electronics
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2000 +
£ 0.51
DiodesZetex
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74AHCT125S14-13, DiodesZetex
123 In Stock
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25 +
£ 0.25
125 +
£ 0.14
250 +
£ 0.14
Rohs Verified
PCA9600D,112, NXP
116 In Stock
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1 +
£ 3.42
5 +
£ 3.20
10 +
£ 3.08
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74LVC1T45GW,125, Nexperia
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10 +
£ 0.13
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74LCX244BQX, onsemi
11583 In Stock
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3000 +
£ 0.059
Rohs Verified
MC74VHCT50ADR2G, onsemi
9252 In Stock
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50 +
£ 0.27
DiodesZetex
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74LVC14AT14-13, DiodesZetex
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2500 +
£ 0.073
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NC7SZ05M5X, onsemi
22200 In Stock
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3000 +
£ 0.016
Rohs Verified
NC7SP125P5X, onsemi
77503 In Stock
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3000 +
£ 0.087
DiodesZetex
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74AHC1G125SE-7, DiodesZetex
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200 +
£ 0.063
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£ 0.042
3000 +
£ 0.032
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74LVC125AT14-13, DiodesZetex
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25 +
£ 0.20
125 +
£ 0.093
625 +
£ 0.087
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New Items
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NC7NZ17L8X, Fairchild Semiconductor

NC7NZ17L8X, Fairchild Semiconductor

TinyLogic UHS, Fairchild Semiconductor Advanced Ultra High-Speed and Low Power CMOS Logic Operating Voltage 1.65 to 5.5 Noise/EMI Reduction Circuit TinyLogic Family, Fairchild Semiconductor Fairchild’s TinyLogic® family consists of a broad spectrum of high speed, low power, CMOS single and dual gate logic functions in a choice of six space saving packages: SOT23-5, SC70 6-lead, US8 8-lead, and MicroPak 6 and 8 terminal leadless packages. Reduces routing complexity Allows shorter metal traces to minimise EMI generation Prevents unnecessary power consumption from unused gates HS and HST family intended for 5V or very low speed applications UHS family ideal for high speed, low voltage operation ULP family ideal for extremely high speed low voltage operation ULPA family ideal for low power consumption, low voltage operation
New items
TC4049BP(F), Toshiba

TC4049BP(F), Toshiba

TC4000 Family, Toshiba Process: CMOS Power supply voltage: 3 to 18 V 4000 CMOS Logic Family, Toshiba CMOS Family devices Wide operating voltage range: 3 to 18V
New items
74VHCV541FT, Toshiba

74VHCV541FT, Toshiba

The 74VHCV540FT and 74VHCV541FT are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate CMOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The 74VHCV540FT is an inverting type, and the 74VHCV541FT is a non-inverting type. When either G1 or G2 are high, the terminal outputs are in the high-impedance state. Input pin have hysteresis between the positive-going and negative-going thresholds. Thus the 74VHCV540FT and 74VHCV541FT are capable of squaring up transitions of slowly changing input signals and provides an improved noise immunity. Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and input/output voltages such as battery back up, hot board insertion, etc. Wide operating temperature range: Topr = -40 to 125  High speed: tpd = 4.1 ns (typ.) at VCC = 5.0 V Low power dissipation: ICC = 2.0 μA (max) at Ta = 25  Wide operating voltage range: VCC(opr) = 1.8 V to 5.5 V Output current: |IOH|/IOL = 16 mA (min)(VCC = 4.5 V) Power-down protection provided on all inputs and outputs. Pin and function compatible with the 74 series (74AC/HC/AHC/LV etc.) 540 or 541 type
New items
74HC541D, Toshiba

74HC541D, Toshiba

The 74HC540D/74HC541D are high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The 74HC540D is an inverting type, and the 74HC541D is a non-inverting type. When either G1 or G2 are high, the terminal outputs are in the high-impedance state. All inputs are equipped with protection circuits against static discharge or transient excess voltage High speed: tpd = 10 ns (typ.) at VCC = 6.0 V Low power dissipation: ICC = 4.0 μA (max) at Ta = 25°C Balanced propagation delays: tPLH ≈ tPHL Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
New items
74VHC541MTC, onsemi

74VHC541MTC, onsemi

IC BUF NON-INVERT 5.5V 20TSSOP
New items
MC74AC125DG, onsemi

MC74AC125DG, onsemi

IC BUFFER NON-INVERT 6V 14SOIC
New items
74LVC1G17SE-7, DiodesZetex

74LVC1G17SE-7, DiodesZetex

74LVC Family, Diodes Inc Low-Voltage CMOS logic Single gate package Operating Voltage: 1.65 to 5.5 V Compatibility: Input LVTTL/TTL, Output LVCMOS 74LVC Family
New items
NL27WZ16DTT1G, onsemi

NL27WZ16DTT1G, onsemi

NL27W Series, ON Semiconductor CMOS Logic gates with LVTTL compatible inputs and outputs, offering higher speed and greater drive capability than 74LCX devices Wide 1.65 to 5.5V operating supply LVCMOS Compatible 24mA source/sink capacity at 3.0V
New items
MC74ACT125DG, onsemi

MC74ACT125DG, onsemi

MC74ACT Family, ON Semiconductor
New items
HEF4049BT,653, Nexperia

HEF4049BT,653, Nexperia

4000 Series Inverters & Buffers, NXP Semiconductors 4000 CMOS Logic Family, Nexperia CMOS Family devices Wide operating voltage range: 3 to 18V
New items
TC7SZ07FU,LJ(CT, Toshiba

TC7SZ07FU,LJ(CT, Toshiba

L-MOS SHS Series, Low Voltage, Toshiba The TC7SZ/WZ/PZ Toshiba SHS series is a family of Low-voltage One-Gate CMOS (L-MOS) logic devices. • 1.8 - 5.5V operation L-MOS Family Logic ICs One-Gate Logic (L-MOS)
New items
MC74HC126ADG, onsemi

MC74HC126ADG, onsemi

IC BUFFER NON-INVERT 6V 14SOIC
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Buffers and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Buffers or any other product.
This depends on the Buffers individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Buffers and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Buffers.
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