SN74LS14DR

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SN74LS14DR

IC INV SCHMITT 6CH 1-IN 14SOIC

  • Fabricant
  • Mfr. Partie #SN74LS14DR
  • Paquet SOP14
  • Fiche de données
  • En stock3905

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74LS
ProductStatus Active
LogicType Inverter
NumberofCircuits 6
NumberofInputs 1
Features Schmitt Trigger
Voltage-Supply 4.75V ~ 5.25V
Current-OutputHighLow 400µA, 8mA
LogicLevel-Low 0.5V
LogicLevel-High 1.9V
MaxPropagationDelay@VMaxCL 22ns @ 5V, 15pF
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Vue d'ensemble

Description

The SN74LS14DR is a hex inverting Schmitt-trigger buffer, part of Texas Instruments’ 74LS (Low Power Schottky) logic family. It features six independent inverters, each utilizing Schmitt-trigger technology to provide a better noise margin and enhanced input signal conditioning. This means it can interpret slow or noisy input signals, making it ideal for applications where signal integrity is crucial.
Key specifications include a wide input voltage range, low propagation delay, and a maximum supply voltage of 5V. The device operates over a temperature range of -40°C to +85°C, ensuring reliability in various environments. The SOIC-14 (Small Outline Integrated Circuit) package facilitates easy integration into printed circuit boards.
Common applications for the SN74LS14DR include signal restoration, interfacing with microcontrollers, and converting slow input signals into clean digital transitions. Its robust performance and versatility make it a popular choice in digital logic design and signal processing.

Features

The SN74LS14DR is a hex inverting Schmitt trigger, designed for high-speed operation and improved noise immunity. Key features include:
1. Hex Inverter: Contains six independent inverting Schmitt trigger circuits.
2. Schmitt Trigger Input: Provides hysteresis for improved signal integrity and reduced susceptibility to noise.
3. Fast Switching Speeds: Capable of achieving rapid input-output transitions, suitable for high-frequency applications.
4. Low Power Consumption: Operates with a supply voltage ranging from 4.75V to 5.25V, consuming less power than traditional logic families.
5. TTL Compatible: Fully compatible with standard TTL (Transistor-Transistor Logic) levels.
6. Wide Operating Temperature Range: Suitable for industrial applications with temperatures from -40°C to +85°C.
7. Standard 14-Pin Dual In-line Package (DIP): Easy integration into various circuit designs.
This device is commonly used in applications requiring signal conditioning, pulse shaping, and digital logic level conversion.

Package

The SN74LS14DR is packaged in a SOIC (Small Outline Integrated Circuit) type form factor. It features a dual inline surface-mount design, which allows for efficient PCB space usage and is suitable for surface mounting.

Pinout

The SN74LS14DR is a hex inverter Schmitt trigger, part of Texas Instruments' 74LS (Low Power Schottky) logic family. It features a pin count of 14.
Pin Functions:
1. 1A to 6A (Pins 1, 2, 3, 4, 10, 11): These are the inputs for the six inverters.
2. 1Y to 6Y (Pins 2, 3, 4, 5, 12, 13): These are the corresponding outputs for each input.
3. GND (Pin 7): Ground connection.
4. VCC (Pin 14): Power supply connection, typically +5V.
The device converts input signals into logical inverses while providing hysteresis, which helps to eliminate noise and provide a clean transition for slow input signals. This characteristic makes it suitable for applications requiring reliable switching behavior in noisy environments.

Manufacturer

The SN74LS14DR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and digital semiconductors, microcontrollers, and embedded processors. They are known for their innovation in analog technology and are a major supplier in various markets, including automotive, industrial, personal electronics, and communications. TI focuses on providing high-performance and efficient solutions for electronic systems, making it a key player in the global electronics industry.

Application

The SN74LS14DR is a hex inverting Schmitt trigger used in various applications, including signal conditioning, waveform shaping, and interfacing slow input signals to high-speed logic devices. It's suitable for generating clean, noise-immune signals from noisy environments, improving signal integrity in communication systems, and implementing oscillators or pulse generators in timing circuits. Additionally, it can be used in digital logic applications requiring robust transitions and hysteresis.

Equivalent

The SN74LS14DR is a Schmitt-trigger inverter. Equivalent products include:
1. 74HC14
2. 74HCT14
3. 74AC14
4. 74ACT14
5. MC74HC14A
These alternatives offer similar functionality but may vary in voltage levels and speed characteristics. Always verify specifications for compatibility in your specific application.

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