Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
M74VHC1GT00DFT2G

M74VHC1GT00DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP SC88A

2147483647

NC7SV11L6X

NC7SV11L6X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 3-INP 6MICROPAK

4967

NC7SZ11P6X

NC7SZ11P6X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 3-INP SC88

2147483647

NLV18VHC1G08DFT2G

NLV18VHC1G08DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

0

NLV18SZ02DFT2G

NLV18SZ02DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 1CH 2-INP SC88A

0

74LVC02ADR2G

74LVC02ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

0

MC14049UBDTR2G

MC14049UBDTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16TSSOP

7096

NC7SP08L6X

NC7SP08L6X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP 6MICROPAK

0

MC14049BDG

MC14049BDG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16SOIC

14408400

74VHCU04MTCX

74VHCU04MTCX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

51272500

NC7WV04L6X

NC7WV04L6X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6MICROPAK

809025000

NLX2G04CMUTCG

NLX2G04CMUTCG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6UDFN

42000

MC74HC1G08DFT2G

MC74HC1G08DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

660087000

NL17SG32CMUTCG

NL17SG32CMUTCG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 1CH 2-INP 6UDFN

0

74VHC08M

74VHC08M

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

1045

NLV74HCT04ADR2G

NLV74HCT04ADR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

0

74LCX32MX

74LCX32MX

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

662012500

MC74AC32DG

MC74AC32DG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

3263

MC14001UBDG

MC14001UBDG

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

1366

MC74VHCT14ADR2G

MC74VHCT14ADR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

127467500

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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