Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74VHC14MTC

74VHC14MTC

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

33997050

NC7WZ14FHX

NC7WZ14FHX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6MICROPAK2

135000

NL17SH08P5T5G

NL17SH08P5T5G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SOT953

7124

NLV14049UBDTR2G

NLV14049UBDTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16TSSOP

0

NLVVHC1G132DFT2G

NLVVHC1G132DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2IN SC88A

2443

MC74HCT20ADG

MC74HCT20ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14SOIC

0

MC74ACT04DG

MC74ACT04DG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

332428985

MC74HC32ADG

MC74HC32ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14SOIC

187

74VHC86M

74VHC86M

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

43953900

NLX2G14AMUTCG

NLX2G14AMUTCG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 2CH 2-IN 6UDFN

1107

NLV74HC132ADTG

NLV74HC132ADTG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

0

MC14001UBDR2G

MC14001UBDR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

2046197500

MC74VHCT08ADTR2G

MC74VHCT08ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

0

NL17SZ86DFT2G

NL17SZ86DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP SC88A

600069000

74LCX08MTC

74LCX08MTC

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

10804700

74AC86MTC

74AC86MTC

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14TSSOP

6

NC7SZ08P5X

NC7SZ08P5X

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC70-5

38921

NC7WP14P6X

NC7WP14P6X

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 2CH 2-INP SC88

302557000

MC74HC1G32DFT1G

MC74HC1G32DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 1CH 2-INP SC88A

365436000

74LVX08MX

74LVX08MX

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

1958

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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