SN74HC14D

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SN74HC14D

+BOM

IC INV SCHMITT 6CH 1-IN 14SOIC

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Specifications

Attribute Value
Package Tube
Series 74HC
ProductStatus Active
LogicType Inverter
NumberofCircuits 6
NumberofInputs 1
Features Schmitt Trigger
Voltage-Supply 2V ~ 6V
Current-Quiescent(Max) 2 µA
Current-OutputHighLow 5.2mA, 5.2mA
LogicLevel-Low 0.3V ~ 1.2V
LogicLevel-High 1.5V ~ 4.2V
MaxPropagationDelay@VMaxCL 21ns @ 6V, 50pF
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Overview

Description

The SN74HC14D is a hex Schmitt-trigger inverter from the 74HC series of high-speed CMOS logic integrated circuits. It features six independent inverters with Schmitt-trigger inputs, which means it is designed to handle slow input rise and fall times, providing a cleaner output by discriminating between noise and legitimate signal changes. This property makes it suitable for applications involving signal conditioning, waveform shaping, and noise rejection.
The device operates with a supply voltage range typically between 2V and 6V, making it compatible with various systems. It has TTL-compatible inputs and outputs, ensuring it can interface with other logic families easily. The SN74HC14D package is often in a SOIC (Small Outline Integrated Circuit) format, which is suitable for surface-mount technology.
Typical applications include use in circuits that require signal debouncing, pulse shaping, and logic level conversion. The Schmitt-trigger action provides hysteresis, which helps in preventing false triggering due to noise or slow input transitions.

Equivalent

The SN74HC14D is a hex inverting Schmitt trigger from Texas Instruments. Equivalent products include:
1. CD40106B from Texas Instruments
2. MC74HC14A from ON Semiconductor
3. NXP's 74HC14
4. HCF40106 from STMicroelectronics
5. TC74HC14 from Toshiba
These alternatives provide similar functionality and performance, but it's important to check the datasheets for any specific differences in electrical characteristics or packaging.

Features

The SN74HC14D is a hex Schmitt-trigger inverter integrated circuit from Texas Instruments. Key features include:
1. Schmitt-Trigger Inputs: This feature allows for noise immunity and the ability to clean up noisy signals, converting them into sharp digital transitions.
2. High-Speed Operation: The device operates at a high speed with a typical propagation delay of 14 ns at 5V.
3. Voltage Range: It supports a wide operating voltage range from 2V to 6V, making it versatile for various applications.
4. Current Drive Capability: The device can source or sink up to 25 mA, suitable for driving LED indicators or other moderate current loads.
5. Low Power Consumption: It features low power consumption with typical static power dissipation.
6. Compatibility: The SN74HC14D is designed to be pin-compatible with older series, facilitating easy upgrades.
7. Packaged Options: Available in a small-outline (SOIC) package, ideal for space-constrained designs.
These features make the SN74HC14D suitable for applications requiring signal conditioning, waveform generation, or simple logic inverters.

Pinout

The SN74HC14D is a 14-pin integrated circuit. It is a hex Schmitt-trigger inverter, meaning it contains six independent inverters that utilize Schmitt-trigger action for signal conditioning and noise immunity. The Schmitt-trigger input design allows for slowly changing input signals to be converted into sharply defined, jitter-free output signals.
Here is a brief outline of its pin configuration:
1. VCC (Pin 14): Power Supply Voltage.
2. GND (Pin 7): Ground.
3. Inputs/Outputs: The six inverters are organized as follows:
- 1A (Pin 1), 1Y (Pin 2)
- 2A (Pin 3), 2Y (Pin 4)
- 3A (Pin 5), 3Y (Pin 6)
- 4A (Pin 9), 4Y (Pin 8)
- 5A (Pin 11), 5Y (Pin 10)
- 6A (Pin 13), 6Y (Pin 12)
Each input (A) has a corresponding output (Y), where the output is the logical inversion of the input with the added benefit of Schmitt-trigger characteristics, ideal for enhancing signal stability in digital circuits.

Manufacturer

The SN74HC14D is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic devices. The company is known for its focus on developing analog chips and embedded processors, which are integral to modern electronics. TI serves various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The SN74HC14D is a hex Schmitt-trigger inverter, commonly used in various digital and analog applications. Key application areas include signal conditioning, where it helps clean and reshape noisy signals, and waveform generation, providing square waves for timing circuits. It is also used in debounce circuits to stabilize mechanical switch inputs and in oscillators for generating clock signals. Additionally, the SN74HC14D finds use in sensor interfacing, converting analog sensor outputs into digital signals, and in communication systems for signal recovery and noise reduction. Its ability to handle slow input transitions makes it suitable in a wide range of electronic devices and systems requiring reliable digital signal processing.

Package

The SN74HC14D is a hex Schmitt-trigger inverter IC housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, commonly used in electronic circuits for its compact form factor.

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