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74HC14D

Name: 74HC14D
Rating: 4.7 (12 reviews)

IC INV SCHMITT 6CH 1-IN 14SOIC

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製造商。部分 #74HC14D
包 SOP-14
資料表 74HC14D DataSheet
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	74HC
ProductStatus	Active
LogicType	Inverter
NumberofCircuits	6
NumberofInputs	1
Features	Schmitt Trigger
Voltage-Supply	2V ~ 6V
Current-Quiescent(Max)	1 µA
Current-OutputHighLow	5.2mA, 5.2mA
LogicLevel-Low	0.3V ~ 1.5V
LogicLevel-High	1.5V ~ 4.2V
MaxPropagationDelay@VMaxCL	21ns @ 6V, 50pF
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
SupplierDevicePackage	14-SOIC

概述

Description

The 74HC14D is a hex inverting Schmitt trigger, part of the 74HC (High-speed CMOS) logic family. It contains six independent inverters, each featuring a Schmitt trigger input, which provides improved noise immunity and faster switching times compared to standard inverters. The Schmitt trigger action allows for a more stable transition between high and low states, making it ideal for handling slow or noisy input signals.
This IC operates within a voltage range of 2V to 6V and can drive up to 20 mA at the output. It is commonly used in applications requiring signal conditioning, such as debouncing mechanical switches or interfacing with slow signal edges. The 74HC14D is available in various packages, including DIP and SOIC, making it versatile for different circuit designs.
Overall, the 74HC14D is a useful component in digital circuits where reliability and speed are essential.

Features

The 74HC14D is a hex inverting Schmitt trigger, designed for use in digital logic circuits. Key features include:
1. Logic Family: Part of the 74HC (High-speed CMOS) series, providing high-speed operation and low power consumption.
2. Inversion: Contains six independent inverters, each with a Schmitt trigger input for improved noise immunity and faster switching.
3. Voltage Range: Operates over a wide supply voltage range from 2V to 6V.
4. Output Drive: Capable of driving standard TTL loads, with a high output drive capability.
5. Input Thresholds: Schmitt trigger inputs provide different threshold levels for rising and falling edges, enhancing signal stability in noisy environments.
6. Temperature Range: Rated for operation in industrial temperature ranges from -40°C to +125°C.
7. Package Type: Available in various packages, including DIP and SOIC, for flexible integration into designs.
Overall, the 74HC14D is ideal for applications requiring signal conditioning, interfacing, and logic level conversions.

Package

The 74HC14D is typically available in a Dual In-line Package (DIP) form factor, specifically a 14-pin DIP package. It can also be found in surface mount packages like SOIC and TSSOP.

Pinout

The 74HC14D is a hex inverting Schmitt trigger, which is part of the 74HC series of logic devices. It features a total of 14 pins. The key functions of the pins are as follows:
- Pins 1, 3, 5, 6, 8, 10, 12, 13: Input pins (A1, A2, A3, A4, A5, A6) for receiving the logic signals.
- Pins 2, 4, 11, 9, 7, 15: Output pins (Y1, Y2, Y3, Y4, Y5, Y6) that provide the inverted output of the corresponding input.
- Pin 14: Vcc (positive power supply).
- Pin 7: GND (ground).
The Schmitt trigger configuration allows for improved noise immunity and faster switching characteristics compared to standard logic gates. It is commonly used in applications requiring signal conditioning and waveform shaping.

Manufacturer

The manufacturer of the 74HC14D is Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing technologies. It serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. TI's products are widely used in electronic systems and applications, making it a key player in the semiconductor industry. The 74HC14D specifically is a hex inverter that is part of the 74HC series of logic devices, known for their high-speed and low-power characteristics.

Application

The 74HC14D is a hex inverting Schmitt trigger logic gate. Its application areas include signal conditioning, waveform shaping, and noise immunity improvement in digital circuits. It is commonly used in oscillators, pulse generators, and to clean up slow input signals in various electronic systems. Its Schmitt trigger characteristics make it ideal for applications where a clean, fast transition is needed from noisy or slowly varying signals.

Equivalent

The 74HC14D is a hex inverting Schmitt trigger. Equivalent products include the 74HCT14, 74LS14, 74VHC14, and 74LVC14. Additionally, you may consider the 74HC14 variants in different package types, such as SOIC or TSSOP. Always check the specific electrical characteristics and pin configurations to ensure compatibility.