SN74HC05N

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: Hex Inverter with Open-Drain Outputs
• Package: DIP (Dual Inline Package)
• Essence: The SN74HC05N is a high-speed CMOS logic gate that provides six inverting buffers with open-drain outputs. It is commonly used for voltage level shifting and interfacing between different logic families.
• Packaging/Quantity: The SN74HC05N is typically sold in tubes or reels, containing 25 or 2,000 units respectively.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay: 9 ns (typical)
• Output Current: ±25 mA

Pin Configuration

The SN74HC05N has a 14-pin dual inline package (DIP) with the following pin configuration:

+---+--+---+ Y1 |1 +--+ 14| VCC A1 |2 13| Y6 B1 |3 12| A6 A2 |4 SN74HC05N 11| B6 B2 |5 10| A5 Y2 |6 9| B5 GND |7 8| Y5 +----------+

Functional Features

• Hex Inverter: The SN74HC05N consists of six independent inverters, allowing it to invert the input signal.
• Open-Drain Outputs: The outputs of the SN74HC05N are open-drain, which means they can be connected to other devices using pull-up resistors for level shifting.
• High-Speed Operation: This logic gate operates at high speeds, making it suitable for applications that require fast switching times.

Advantages and Disadvantages

Advantages: - Versatile: The SN74HC05N can be used in a wide range of applications due to its hex inverter configuration. - Compatibility: It is compatible with various logic families, allowing for easy integration into existing systems. - Cost-Effective: The SN74HC05N offers a cost-effective solution for voltage level shifting and signal inversion.

Disadvantages: - Power Consumption: The SN74HC05N may consume more power compared to some low-power logic gates. - Limited Output Current: The output current of ±25 mA may not be sufficient for certain high-current applications.

Working Principles

The SN74HC05N operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. When an input signal is applied, the internal circuitry inverts the signal and drives the corresponding open-drain output low. The output can be pulled high by connecting it to a positive supply voltage through an external pull-up resistor.

Detailed Application Field Plans

The SN74HC05N finds applications in various fields, including but not limited to:

1. Digital Electronics: It is commonly used in digital circuits for signal inversion and level shifting between different logic families.
2. Microcontroller Interfacing: The SN74HC05N can be utilized to interface microcontrollers with devices operating at different voltage levels.
3. I2C Communication: It can be employed as a level shifter in I2C communication buses to enable communication between devices with different voltage requirements.
4. Sensor Interfaces: The SN74HC05N can be used to interface sensors with microcontrollers or other digital devices, ensuring compatibility between different voltage levels.

Detailed and Complete Alternative Models

• SN74HC04N: Hex Inverter without Open-Drain Outputs
• SN74HCT05N: Hex Inverter with TTL-Compatible Inputs and Open-Drain Outputs
• SN74LVC1G04DCKR: Single Inverter with Open-Drain Output

These alternative models offer similar functionality to the SN74HC05N but may have different characteristics or package options.

In conclusion, the SN74HC05N is a versatile hex inverter logic gate that provides open-drain outputs. It is widely used for voltage level shifting and signal inversion in various applications. Its high-speed operation, compatibility with different logic families, and cost-effectiveness make it a popular choice among designers.