Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
74LCX14M

74LCX14M

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

602

NLV14049UBDG

NLV14049UBDG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 16SOIC

0

MC14093BDTR2G

MC14093BDTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

1820

NL27WZ04DTT1G

NL27WZ04DTT1G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 2CH 2-INP 6TSOP

2147483647

MM74HC08M

MM74HC08M

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14SOIC

6376

MC74HCT08ADTR2G

MC74HCT08ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

2251

NLV14106BDG

NLV14106BDG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

0

MC74HC1G00DFT1G

MC74HC1G00DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 1CH 2-INP SC88A

5697

MC74ACT86DR2G

MC74ACT86DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

6248

NLVVHC1G09DFT1G

NLVVHC1G09DFT1G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND OD 1CH 2-INP SC88A

344663000

NC7NP14L8X

NC7NP14L8X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 3CH 3-INP 8MICROPAK

0

MC74VHCT32ADTR2G

MC74VHCT32ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14TSSOP

913

MC74ACT08DTR2G

MC74ACT08DTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

11107

NC7S86M5X

NC7S86M5X

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP SOT23-5

2147483647

NC7SZ86P5X

NC7SZ86P5X

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 1CH 2-INP SC70-5

15842

74VHC08MTC

74VHC08MTC

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 4CH 2-INP 14TSSOP

184049350

MC14073BDR2G

MC14073BDR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 3CH 3-INP 14SOIC

238317500

MC74HC132ADTG

MC74HC132ADTG

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

1321312

MC74HCU04ADTR2G

MC74HCU04ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

2147483647

MC74VHC14DTG

MC74VHC14DTG

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

828

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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