Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
MC74VHC1GT14MU2TCG

MC74VHC1GT14MU2TCG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1-IN 6UDFN

210000

NL17SZ373DBVT1G

NL17SZ373DBVT1G

Sanyo Semiconductor/ON Semiconductor

LOGIC GATE

0

NLV18HC1G08DFT2G

NLV18HC1G08DFT2G

Sanyo Semiconductor/ON Semiconductor

LOG CMOS GAT AND 1G

96000

DM74LS11N

DM74LS11N

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14DIP

0

DM7408N

DM7408N

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14DIP

0

MC74VHC1GT00DT1G

MC74VHC1GT00DT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP 5TSOP

0

DM74LS38N

DM74LS38N

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND OPEN 4CH 2-IN 14DIP

0

MC14069UBCPG

MC14069UBCPG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14DIP

0

74AC11SCX

74AC11SCX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14SOIC

0

MC74ACT05DTR2

MC74ACT05DTR2

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 6CH 6-INP 14TSSOP

0

74ACTQ04PC

74ACTQ04PC

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14DIP

0

MC14082BCP

MC14082BCP

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 2CH 4-INP 14DIP

0

MC74LVX132M

MC74LVX132M

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP SOEIAJ-14

0

74ACTQ04SC

74ACTQ04SC

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

0

NC7SZ02P5X_F40

NC7SZ02P5X_F40

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 1CH 2-INP SC70-5

0

NLVHC08ADR2G

NLVHC08ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

0

74AC86SCX_SF86755A

74AC86SCX_SF86755A

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

0

74AC10MTC

74AC10MTC

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 3CH 3-INP 14TSSOP

0

NLJ74HC14ADTR2G

NLJ74HC14ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

0

74ACTQ10MTCX

74ACTQ10MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 3CH 3-INP 14TSSOP

0

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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