Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
MC74LCX02DG

MC74LCX02DG

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

117538610

74LCX14BQX

74LCX14BQX

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14DQFN

713

NLV74HC00ADG

NLV74HC00ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

0

MC14584BDTR2G

MC14584BDTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

1081

MC74HC11ADG

MC74HC11ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14SOIC

2305

NC7WZU04L6X

NC7WZU04L6X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6MICROPAK

11664

74LVX00MTC

74LVX00MTC

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

50514100

NLX1G332AMUTCG

NLX1G332AMUTCG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 1CH 3-INP 6UDFN

0

74VHCT00AM

74VHCT00AM

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

521134200

MC74VHC132DG

MC74VHC132DG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

4113520

74VHC04M

74VHC04M

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

82423100

NC7SZ38M5X

NC7SZ38M5X

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND OD 1CH 2-IN SOT23-5

471854000

NLV14049UBDR2G

NLV14049UBDR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16SOIC

0

NLV74HCU04ADG

NLV74HCU04ADG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

28655

MC74HC1G14DTT1G

MC74HC1G14DTT1G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1-IN 5TSOP

11190

MC74HCT32ADR2G

MC74HCT32ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

3676

MC14012BDG

MC14012BDG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14SOIC

3733575

MC14106BDR2G

MC14106BDR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

540

MC74VHC1G08MU3TCG

MC74VHC1G08MU3TCG

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP 6UDFN

0

NL27WZ14MU3TCG

NL27WZ14MU3TCG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 2CH 2-IN 6UDFN

162000

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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