Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
MM74HCT05MX

MM74HCT05MX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 6CH 6-INP 14SOIC

114557500

NC7SZ05L6X

NC7SZ05L6X

Sanyo Semiconductor/ON Semiconductor

IC INVERT OD 1CH 1-INP 6MICROPAK

2147483647

74AC14SCX

74AC14SCX

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

0

74VCX08MTCX

74VCX08MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

32500

MC74VHC1G08DFT2G

MC74VHC1G08DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

9689

NLV74HC00ADR2G

NLV74HC00ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

2500

NLVVHC1G05DFT1G

NLVVHC1G05DFT1G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 1CH 1-INP SC88A

0

MC74AC05DG

MC74AC05DG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 6CH 6-INP 14SOIC

731

MC74HCT08ADG

MC74HCT08ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

92311110

NC7SZ04FHX

NC7SZ04FHX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP 6MICROPAK2

2147483647

NC7SZ00M5X

NC7SZ00M5X

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP SOT23-5

61064

NLV14025BDR2G

NLV14025BDR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 3CH 3-INP 14SOIC

0

MC74VHC1G01DFT1G

MC74VHC1G01DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND OD 1CH 2-INP SC88A

78675000

NLV74AC32DR2G

NLV74AC32DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

0

NC7S14M5X

NC7S14M5X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SOT23-5

22395

MC74HC10ADR2G

MC74HC10ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 3CH 3-INP 14SOIC

405152500

NC7SZ10L6X

NC7SZ10L6X

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 3-INP 6MICROPAK

2147483647

NL27WZ32USG

NL27WZ32USG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 2CH 2-INP US8

92142000

MM74HCT04MX

MM74HCT04MX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

1712

MC74HCT132ADTR2G

MC74HCT132ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

218432500

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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