SN7406N: Overview,Specifications,Main uses,Features,application fields,working principle and alternative models

SN7406N Overview:

The SN7406N is a member of the 7400 series of logic gates manufactured by Texas Instruments. Specifically, the SN7406N is an open-collector hex inverter with high-voltage outputs. It is commonly used in digital electronics for various signal inversion and logic operations. Here is an overview, specifications, main uses, features, application fields, working principle, and alternative models of the SN7406N:



  • Manufacturer: Texas Instruments
  • Type: Hex Inverter Buffer/Driver with Open-Collector High-Voltage Outputs
  • Package: DIP-14 (Dual In-Line Package)
  • Supply Voltage: Typically 5V
  • Output Current: Typically 40 mA
  • Propagation Delay: Varies based on operating conditions
  • High-Level Output Voltage: Typically 30V
  • Low-Level Output Voltage: Typically 0.25V

Main Uses:

  • Signal Inversion: Inverts the input signal to its complementary output.
  • Level Shifting: Converts logic levels from one voltage level to another.
  • Driving High-Voltage Loads: Suitable for interfacing with high-voltage devices and loads.
  • Logic Operations: Part of various digital logic designs and circuits.


  • Open-Collector Outputs: Allows for wired OR connections and interfacing with different voltage levels.
  • High-Voltage Output Capability: Can drive high-voltage loads directly.
  • Versatile Logic Function: Inverts the input logic signal.
  • Standardized Pinout: Easy to integrate into existing digital logic designs.

Application Fields:

  • Digital Electronics: Used in digital circuit design, microcontroller interfacing, and logic gates.
  • Industrial Control Systems: Employed in control systems for signal processing and logic operations.
  • Communication Systems: Integrated into communication devices for signal conditioning.
  • Consumer Electronics: Found in various consumer electronic devices for logic operations.

Working Principle:

  • The SN7406N is an inverter that takes the input logic signal and produces the complementary output.
  • The open-collector outputs allow the device to sink current when the output is activated, providing flexibility in connecting to other circuit elements.
  • It follows basic inverter logic where a high input results in a low output and vice versa.

Alternative Models:

  • SN7404: Hex inverter without open-collector outputs.
  • SN7407: Hex buffer with open-collector outputs featuring high-voltage capabilities.
  • HC7406: High-speed CMOS alternative to the TTL SN7406N.


  • The SN7406N is part of the widely used 7400 series of logic ICs, offering a specific function within digital logic circuits.
  • When selecting an alternative model, consider the specific requirements of your circuit design and the compatibility with your existing components.

The SN7406N open-collector hex inverter is a versatile component in digital electronics, offering the ability to invert signals, drive high-voltage loads, and interface with various voltage levels in logic circuits and applications.

Copyright © 2024 ZHONG HAI SHENG TECHNOLOGY LIMITED All Rights Reserved.

Заявление о конфиденциальности | Условия эксплуатации | Гарантия качества