Logic - Gates and Inverters

Image Part Number Description / PDF Quantity Rfq
MC74ACT20DR2G

MC74ACT20DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 4-INP 14SOIC

2270

MM74HCT04MTCX

MM74HCT04MTCX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

101245000

NLVVHC1GT04DTT1G

NLVVHC1GT04DTT1G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 1CH 1-INP 5TSOP

153000

NLV18SZ08DFT2G

NLV18SZ08DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 1CH 2-INP SC88A

216000

MC14082BDG

MC14082BDG

Sanyo Semiconductor/ON Semiconductor

IC GATE AND 2CH 4-INP 14SOIC

31024860

NC7SP14P5X

NC7SP14P5X

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1IN SC70

0

NC7SZ05M5X

NC7SZ05M5X

Sanyo Semiconductor/ON Semiconductor

IC INVERTER OD 1CH 1-INP SOT23-5

85

NC7WP00K8X

NC7WP00K8X

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 2CH 2-INP US8

230030000

MC74HC86ADG

MC74HC86ADG

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 4CH 2-INP 14SOIC

359

74LCX00MTCX

74LCX00MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE NAND 4CH 2-INP 14TSSOP

65505000

NLVHC1G02DFT2G

NLVHC1G02DFT2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 1CH 2-INP SC88A

57000

MC74VHC1G14DFT2G

MC74VHC1G14DFT2G

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 1CH 1-IN SC88A

1288827000

MC74HC02ADTR2G

MC74HC02ADTR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14TSSOP

4400

74VHCT04AMX

74VHCT04AMX

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14SOIC

1087112500

MM74HCT32MTCX

MM74HCT32MTCX

Sanyo Semiconductor/ON Semiconductor

IC GATE OR 4CH 2-INP 14TSSOP

2028

MC74AC02DR2G

MC74AC02DR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

926

MC14106BDG

MC14106BDG

Sanyo Semiconductor/ON Semiconductor

IC INVERT SCHMITT 6CH 6IN 14SOIC

246417270

MC74VHCT02ADR2G

MC74VHCT02ADR2G

Sanyo Semiconductor/ON Semiconductor

IC GATE NOR 4CH 2-INP 14SOIC

2451

NL27WZ86USG

NL27WZ86USG

Sanyo Semiconductor/ON Semiconductor

IC GATE XOR 2CH 2-INP US8

2058

MC74LCX14DTR2G

MC74LCX14DTR2G

Sanyo Semiconductor/ON Semiconductor

IC INVERTER 6CH 6-INP 14TSSOP

1334

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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