Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
NC7WZ04FHX

NC7WZ04FHX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6MICROPAK2

2147483647

MC74LCX04DR2G

MC74LCX04DR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

2461

M74VHC1G135DFT1G

M74VHC1G135DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2IN SC88A

2147483647

74VHCT08AMX

74VHCT08AMX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

2645000

NLV18VHC1G04DFT2G

NLV18VHC1G04DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SC88A

0

MC74AC86DR2G

MC74AC86DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

19

NL27WZU04DFT2G

NL27WZU04DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP SC88

2586

MM74HC00MTCX

MM74HC00MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

239040000

MC14011BDG

MC14011BDG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14SOIC

48319955

NLV18VHC1GT04DFT2G

NLV18VHC1GT04DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SC88A

0

NC7SZ27P6X

NC7SZ27P6X

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 1CH 3-INP SC88

10177

74AC32MTCX

74AC32MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14TSSOP

1451

74LCX02MTCX

74LCX02MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14TSSOP

71212500

NL17SZ04P5T5G

NL17SZ04P5T5G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP SOT953

0

NC7SV11P6X

NC7SV11P6X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 3-INP SC88

1561360000

MC74VHC1G86DTT1G

MC74VHC1G86DTT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP 5TSOP

1577

NL17SZ06DFT2G

NL17SZ06DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 1CH 1-INP SC88A

2147483647

74LVX08MTCX

74LVX08MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

369010000

M74VHC1GT86DFT1G

M74VHC1GT86DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP SC88A

5819

MC74LCX08DTG

MC74LCX08DTG

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

300

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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