Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74LVC08ADR2G

74LVC08ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

0

NC7SV04L6X

NC7SV04L6X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP 6MICROPAK

434595000

NLV74HC08ADR2G

NLV74HC08ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

2034

74VHC132M

74VHC132M

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

115756100

74LCX11M

74LCX11M

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14SOIC

37026400

MC74HCT20ADTG

MC74HCT20ADTG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14TSSOP

0

74VHCT04AM

74VHCT04AM

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

1533

MC14071BDG

MC14071BDG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

3897425

NC7WP32L8X

NC7WP32L8X

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 2CH 2-INP 8MICROPAK

5000

74VHC86MTCX

74VHC86MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14TSSOP

158310000

MC74ACT05DR2G

MC74ACT05DR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 6CH 6-INP 14SOIC

1139

MC74LCX00DTG

MC74LCX00DTG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

1269

MC74HC14ADG

MC74HC14ADG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

7080

MC74VHCU04DTR2G

MC74VHCU04DTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

1502

MC74VHC1G86DFT2G

MC74VHC1G86DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP SC88A

205566000

NLV74VHC1G09DTT1G

NLV74VHC1G09DTT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND OD 1CH 2-INP 5TSOP

0

NC7S04L6X

NC7S04L6X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP 6MICROPAK

83555000

MC74LCXU04DTG

MC74LCXU04DTG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

0

74VHC02M

74VHC02M

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

29106700

MC74LCX08DTR2G

MC74LCX08DTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

22

Logic - Gates and Inverters

1. Overview

Logic gates and inverters are fundamental components of digital integrated circuits (ICs). They perform basic logical operations (AND, OR, NOT, etc.) and signal inversion, forming the building blocks of complex digital systems. These components enable Boolean algebra implementation in hardware, driving functions in computers, communication systems, industrial automation, and consumer electronics. Their reliability, speed, and miniaturization have been critical to advancements in modern electronics.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
AND GateOutputs HIGH only when all inputs are HIGHAddress decoding in memory circuits
OR GateOutputs HIGH if at least one input is HIGHSignal combining in control systems
NOT Gate (Inverter)Reverses input signal (HIGH LOW)Digital signal conditioning
NAND GateAND followed by inversion (universal gate)Universal logic implementation
NOR GateOR followed by inversion (universal gate)High-speed arithmetic circuits
XOR GateOutputs HIGH when inputs differError detection/correction circuits

3. Structure and Composition

Logic gates and inverters are fabricated using semiconductor technologies like CMOS (Complementary Metal-Oxide-Semiconductor), TTL (Transistor-Transistor Logic), or ECL (Emitter-Coupled Logic). A typical CMOS-based gate includes:

  • Substrate: Silicon wafer with p-well/n-well regions
  • Transistors: Paired NMOS and PMOS devices for signal switching
  • Interconnects: Aluminum/copper layers for input/output connections
  • Encapsulation: Plastic/ceramic packages (DIP, SOP, QFN) with 14 20 pins

Advanced nodes (e.g., 7nm FinFET) integrate 3D transistor structures for improved performance.

4. Key Technical Specifications

ParameterDescriptionImportance
Propagation DelayTime between input change and output responseDetermines maximum operating frequency
Supply Voltage (VCC)Operating voltage range (e.g., 1.8V 5.5V)Defines compatibility with system voltage
Power DissipationEnergy consumed during operationImpacts thermal management and battery life
Output Drive CapabilityMaximum current/voltage outputDictates fan-out and load capacity
Operating TemperatureTemperature range (-40 C to 125 C)Ensures reliability in harsh environments

5. Application Domains

  • Computing: CPUs, GPUs, ALUs, memory controllers
  • Communication: Routers, modems, 5G base stations
  • Industrial: PLCs, motor controllers, sensors
  • Consumer Electronics: Smartphones, TVs, gaming consoles
  • Automotive: ECUs, ADAS, infotainment systems

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductsKey Features
Texas InstrumentsSN74LVC1G08 (AND gate)Ultra-low power, 1.65V 5.5V supply
NXP Semiconductors74HCT03 (NAND gate)High-speed CMOS, TTL-compatible
STMicroelectronicsSTM74HC04 (Hex Inverter)Industrial temperature range
IntelFPGA-based logic arraysReconfigurable gate-level logic

7. Selection Guidelines

Key considerations include:

  • Speed vs. Power: High-speed (ECL/TTL) for performance-critical tasks; CMOS for low power
  • Voltage Compatibility: Match supply voltage with system requirements
  • Package Type: DIP for prototyping, QFN for space-constrained PCBs
  • Environmental Demands: Automotive-grade parts for high-temperature resilience
  • Cost: Balance performance needs with budget constraints

Example: Choosing SN74LVC1G32 (OR gate) for a 3.3V IoT device ensures low power consumption and compact integration.

8. Industry Trends

  • Advanced Node Scaling: Transition to 5nm/3nm processes for higher density
  • 3D Integration: Stacked die architectures for improved performance
  • Green Manufacturing: Reduced lead/tin content and energy-efficient fabrication
  • AI-Driven Design: Machine learning for optimized logic synthesis
  • Automotive Focus: Increased demand for AEC-Q100 qualified parts
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