SN74HC14NSR

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This product comes in a 14-SO package and is designed to provide reliable signal inversion with Schmitt-Trigger functionality

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SN74HC14NSR DataSheet

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SN74HC14NSR Details

The SN74HC14NSR is a hex inverter Schmitt-trigger IC from Texas Instruments, designed for reliable signal processing in digital electronics. This device is ideal for applications where noise filtering, signal squaring, oscillator circuits, and pulse generation are required. It features high ESD protection, low power consumption, and a wide operating temperature range.

Pinout

  • A1 (A): Non-inverting Input/Output
  • A2 (B): Inverting Input/Output
  • A3 (Y1): Output 1
  • A4 (Y2): Output 2
  • A5 (Y3): Output 3
  • A6 (Y4): Output 4
  • A7 (Y5): Output 5
  • A8 (Y6): Output 6

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Buffered Inputs: Provides high input impedance and low output impedance for reliable signal processing.
  • Low Power Consumption: Operates at a low power consumption of 4.5mA (max) to minimize heat generation and reduce energy costs.
  • Wide Operating Temperature Range: Functions reliably over an operating temperature range of -55°C to 125°C, making it suitable for various industrial applications.

Applications

The SN74HC14NSR is ideal for a wide range of applications where signal processing and noise filtering are required. Some examples include:

  • Noise filtering in audio circuits
  • Signal squaring in digital logic circuits
  • Oscillator circuits in timing applications
  • Pulse generation in industrial control systems

Where to Use

The SN74HC14NSR is suitable for use in various industries and applications, including:

  • Aerospace and defense
  • Automotive electronics
  • Industrial control systems
  • Medical devices

How to Use

To use the SN74HC14NSR, connect the inputs (A and B) to the desired signal source. The outputs (Y1-Y6) will provide the processed signal. Ensure proper power supply connections to VCC and GND. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the SN74HC14NSR illustrates how to connect the IC to a signal source and load. It includes connections for power supply, ground, and input/output signals, ensuring proper operation and reliable signal processing.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • SN74LS14: A similar hex inverter Schmitt-trigger IC from Texas Instruments offering comparable features and performance.
  • CD40106: An alternative hex inverter Schmitt-trigger IC from Fairchild Semiconductor with equivalent functionality.

Complementary

The SN74HC14NSR can be complemented by the SN74HC123, which offers additional features such as higher input impedance and improved noise immunity, suitable for more demanding signal processing applications.

When selecting complementary ICs, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input frequency supported by the SN74HC14NSR?

A: The SN74HC14NSR supports a maximum input frequency of 30MHz. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the SN74HC14NSR be used in automotive applications?

A: Yes, the SN74HC14NSR is suitable for use in automotive applications, offering high ESD protection and reliable signal processing in demanding environments.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Technology family HC Supply voltage (min) (V) 2
Supply voltage (max) (V) 6 Number of channels 6
IOL (max) (mA) 4 IOH (max) (mA) -4
Supply current (max) (µA) 20 Input type Schmitt-Trigger
Output type Push-Pull Features Balanced outputs, Input clamp diode, Very high speed (tpd 5-10ns)
Rating Catalog Operating temperature range (°C) -40 to 85

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification SN74HC14NSR PDF Download

FAQs

What is SN74HC14NSR?

The SN74HC14NSR is a hex inverter with Schmitt-trigger inputs designed by Texas Instruments. It is ideal for applications requiring signal conditioning, noise filtering, and digital logic signal inversion.

How Does SN74HC14NSR Work?

The SN74HC14NSR works by taking digital input signals and applying the Schmitt-trigger function to the input. This allows it to clean up noisy signals and provide hysteresis, making it suitable for applications with varying input conditions. The inverter then outputs the inverted digital signal.

How Many Pins does SN74HC14NSR have and What are the Functions of the Pinout Configuration?

The SN74HC14NSR is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • GND: Ground pin.
  • VCC: Power supply pin.
  • Input (1-6): Digital input pins for each of the six inverters.
  • Output (1-6): Digital output pins for each of the six inverters.

What are the Pros and Cons of SN74HC14NSR?

Pros:

  • Schmitt-Trigger Inputs: Provides noise immunity and signal conditioning for better signal integrity.
  • High Speed: Offers fast propagation delay, suitable for high-frequency applications.
  • Wide Operating Voltage Range: Supports operation from 2V to 6V, allowing flexibility in various voltage systems.
  • Multiple Channels: Includes six individual inverters in a single package for efficient use of board space.

Cons:

  • Non-Rail-to-Rail Output: Output voltage swing is limited to the power supply voltage range.
  • Power Consumption: Higher power consumption compared to CMOS counterparts such as the 74HC04.

Are There Any Equivalents/Alternatives to SN74HC14NSR for Recommendation?

  • The 74HCT14 from Nexperia is a similar hex inverter with Schmitt-trigger inputs.
  • Alternatives to the SN74HC14NSR include the CD40106B from Texas Instruments and the MC14049UB from ON Semiconductor.

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