Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74ACT14MTCX

74ACT14MTCX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

27

NLU1GT04AMUTCG

NLU1GT04AMUTCG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP 6UDFN

0

MM74HC32MX

MM74HC32MX

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

2504

NLVVHC1G32DFT2G

NLVVHC1G32DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 1CH 2-INP SC88A

4347

NLV17SGU04DFT2G

NLV17SGU04DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SC88A

0

74LVC02ADTR2G

74LVC02ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14TSSOP

0

NLV74AC14DR2G

NLV74AC14DR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

0

MC74HC32ADTR2G

MC74HC32ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14TSSOP

10442

74ACT32SCX

74ACT32SCX

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

543

NC7WZ02K8X

NC7WZ02K8X

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 2CH 2-INP US8

1276281000

74AC08MTCX

74AC08MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

1885

MC74VHC08DR2G

MC74VHC08DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

2500

MC74ACT11DR2G

MC74ACT11DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14SOIC

6222500

74ACT14SC

74ACT14SC

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

137615565

MM74HCT00MX

MM74HCT00MX

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

8102500

MC74HC20ADR2G

MC74HC20ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14SOIC

305260000

NC7SZ04P5X

NC7SZ04P5X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SC70-5

2147483647

NLV74HCT14ADR2G

NLV74HCT14ADR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

2525000

74VHC32M

74VHC32M

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

58428600

NLU2G04AMUTCG

NLU2G04AMUTCG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6UDFN

1321

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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