SN74HCT14DR

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SN74HCT14DR

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IC INV SCHMITT 6CH 1-IN 14SOIC

  • 製造商德州儀器

  • 製造商部分 #SN74HCT14DR

  • 有存貨1430

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規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74HCT
ProductStatus Active
LogicType Inverter
NumberofCircuits 6
NumberofInputs 1
Features Schmitt Trigger
Voltage-Supply 4.5V ~ 5.5V
Current-Quiescent(Max) 2 µA
Current-OutputHighLow 4mA, 4mA
LogicLevel-Low 0.5V ~ 0.6V
LogicLevel-High 1.9V ~ 2.1V
MaxPropagationDelay@VMaxCL 30ns @ 5.5V, 50pF
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

概述

Description

The SN74HCT14DR is a hex Schmitt-trigger inverter from Texas Instruments, part of the 74HCT logic family. It features six independent inverters with Schmitt-trigger inputs, designed to transform slowly changing input signals into sharply defined, jitter-free output signals. These inverters are suitable for applications requiring signal conditioning or noise rejection.
Key features include:
- Schmitt-Trigger Inputs: Provide hysteresis that improves noise immunity and ensures clean transitions.
- CMOS and TTL Compatible: Operates over a wide voltage range, making it compatible with various logic levels.
- High-Speed Operation: Offers fast switching speeds, ideal for high-frequency applications.
- Low Power Consumption: Consumes minimal power, enhancing energy efficiency.
- Wide Operating Voltage: Typically operates from 4.5V to 5.5V.
- Temperature Range: Functions effectively across a broad temperature range, often from -40°C to 85°C.
This device is commonly used in digital circuits where precise and robust signal processing is required, such as debouncing switches, waveform shaping, and interfacing between different logic levels.

Equivalent

The SN74HCT14DR is a hex Schmitt-trigger inverter. Equivalent products can include:
1. CD74HCT14M - Texas Instruments
2. MC74HCT14ADR2 - ON Semiconductor
3. 74HCT14D - Nexperia
4. TC74HCT14AP - Toshiba
5. 74HCT14N - NXP Semiconductors
These components usually have similar functions and electrical characteristics but may differ in packaging and manufacturer specifications. Always check datasheets for compatibility.

Features

The SN74HCT14DR is a high-speed CMOS logic hex Schmitt-trigger inverter. Key features include:
1. Schmitt-Trigger Inputs: Provides hysteresis, allowing for noise immunity and clean signal transitions.
2. High-Speed Operation: Capable of quick logic-level conversions, suitable for fast electronic applications.
3. Wide Operating Voltage Range: Operates from 4.5 V to 5.5 V, making it compatible with standard TTL voltage levels.
4. Low Power Consumption: Features low power dissipation, which is advantageous for battery-powered devices.
5. Standard Logic Compatibility: Inputs are TTL-compatible, allowing easy interfacing with other logic families.
6. Temperature Range: Operates in a range from -40°C to 85°C, suitable for various environmental conditions.
7. Package Type: Comes in an SOIC-14 (Small Outline Integrated Circuit) surface-mount package.
8. Lead-Free: Compliant with lead-free standards for environmentally friendly applications.
These features make the SN74HCT14DR ideal for applications requiring signal conditioning, debouncing, and waveform shaping.

Pinout

The SN74HCT14DR is a hex Schmitt-trigger inverter integrated circuit. It contains six independent inverters, each with a Schmitt-trigger input. The primary function of this component is to act as an inverter with enhanced noise immunity, thanks to the Schmitt-trigger inputs, which provide a better response to slow or noisy input signals by incorporating hysteresis.
In terms of pin count, the SN74HCT14DR comes in a 14-pin SOIC (Small Outline Integrated Circuit) package. Each inverter has one input and one output, and the pins are typically arranged for easy interfacing with other digital components.
The key functions of the SN74HCT14DR include:
1. Inverting digital signals.
2. Enhancing noise immunity with Schmitt-trigger characteristics.
3. Operating over a wide range of supply voltages, typically from 4.5V to 5.5V, making it compatible with TTL logic.
This IC is commonly used in applications requiring signal conditioning or waveform shaping, as well as in various digital circuits where noise rejection and signal integrity are crucial.

Manufacturer

The SN74HCT14DR is manufactured by Texas Instruments. Texas Instruments (TI) is a technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing products. The company operates in various sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is recognized for its significant contributions to the development of semiconductor technologies and for being a leader in the electronics industry.

Application

The SN74HCT14DR is a hex Schmitt-trigger inverter that can be used in various applications such as noise reduction in digital circuits, signal conditioning, and waveform shaping. It is suitable for creating oscillators, pulse generators, and debounce circuits for mechanical switches. These inverters are also utilized in interfacing between TTL and CMOS logic levels due to their Schmitt-trigger inputs, which provide hysteresis for noise immunity. Additionally, they are used in communication devices, consumer electronics, and automotive electronics for processing input signals prone to noise or slow edge transitions.

Package

The SN74HCT14DR is a hex Schmitt-trigger inverter IC from Texas Instruments, typically housed in a SOIC-14 (Small Outline Integrated Circuit) package. The "DR" in its part number indicates this SOIC-14 package.

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