Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74LVC32ADR2G

74LVC32ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

0

M74VHC1GT86DTT1G

M74VHC1GT86DTT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP 5TSOP

11212000

MC74VHCT00ADR2G

MC74VHCT00ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

249017500

74ACT08SCX

74ACT08SCX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

0

MM74HC132MTCX

MM74HC132MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

599

MC74HCT32ADG

MC74HCT32ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

283333165

NLV28WZU04DFT2G

NLV28WZU04DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1-INP SC88

222000

NLV74HC08ADTR2G

NLV74HC08ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

1173

MC74VHC1G00DTT1G

MC74VHC1G00DTT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP 5TSOP

797663000

MC14049UBDG

MC14049UBDG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16SOIC

31179600

M74VHC1GT08DFT1G

M74VHC1GT08DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

2147483647

74VHC86MX

74VHC86MX

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

63227500

MM74HC00M

MM74HC00M

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

535

NLX2G06CMUTCG

NLX2G06CMUTCG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 2CH 2-INP 6UDFN

0

NLV18VHC1GT08DFT2G

NLV18VHC1GT08DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

201000

74VHC02MX

74VHC02MX

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

7422500

MC74HC30ADG

MC74HC30ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 8-INP 14SOIC

326710120

74LCX02M

74LCX02M

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

5204400

NC7SV08P5X

NC7SV08P5X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC70-5

71

MC74HC20ADTR2G

MC74HC20ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14TSSOP

2147483647

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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