Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74LCX08

74LCX08

Sanyo Semiconductor/ON Semiconductor

DIE GATE QUAD 2-INPUT GATE

0

NL17SZ10DBVT1G

NL17SZ10DBVT1G

Sanyo Semiconductor/ON Semiconductor

3-INPUT NAND GATE

0

74HC132

74HC132

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP DIE

0

MC74VHC1G32P5T5G

MC74VHC1G32P5T5G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 1CH 2-INP SOT953

200000

MC74VHC1G02P5T5G

MC74VHC1G02P5T5G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 1CH 2-INP SOT953

0

74AC00

74AC00

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP DIE

0

74F20

74F20

Sanyo Semiconductor/ON Semiconductor

DIE GATE NAND DUAL 4-INPUT

0

NL18SZ125DFT2G

NL18SZ125DFT2G

Sanyo Semiconductor/ON Semiconductor

IC BUFFER NON-INV 2ST SOT363

0

NLV74AC08DR2G

NLV74AC08DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

0

MC74VHC1G14P5T5G

MC74VHC1G14P5T5G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1IN SOT953

200000

NLJ17SZ32DFT2G

NLJ17SZ32DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 2INPUT SOT323

0

74HCU04

74HCU04

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6 INP

0

NL17SV00XV5T2G

NL17SV00XV5T2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP SOT553

400064000

NLVACT14DR2G

NLVACT14DR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

0

MC74VHC1GT04MU1TCG

MC74VHC1GT04MU1TCG

Sanyo Semiconductor/ON Semiconductor

LOGIC GATE

0

NL17SZ08MU3TCG

NL17SZ08MU3TCG

Sanyo Semiconductor/ON Semiconductor

LOGIC GATE

0

74C08

74C08

Sanyo Semiconductor/ON Semiconductor

DIE GATE AND QUAD 2-INPUT

0

NLV74LCX02DTR2G

NLV74LCX02DTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14TSSOP

0

74AC86

74AC86

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP DIE

0

NLV18HC1G32DFT2G

NLV18HC1G32DFT2G

Sanyo Semiconductor/ON Semiconductor

LOG CMOS GATE OR 2INPUT

213000

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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