SN74HC05NSR

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: Hex Inverter with Open-Drain Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74HC05NSR is a hex inverter with open-drain outputs, which means it can invert the input signal and provide an open-drain output. It is commonly used for level shifting and interfacing between different voltage domains.
• Packaging/Quantity: The SN74HC05NSR is available in a reel packaging with 2500 units per reel.

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 (maximum)

Pin Configuration

The SN74HC05NSR has a total of 14 pins, numbered as follows:

1. A1 (Input 1)
2. Y1 (Output 1)
3. A2 (Input 2)
4. Y2 (Output 2)
5. A3 (Input 3)
6. Y3 (Output 3)
7. GND (Ground)
8. Y4 (Output 4)
9. A4 (Input 4)
10. Y5 (Output 5)
11. A5 (Input 5)
12. Y6 (Output 6)
13. Vcc (Power Supply)
14. NC (Not Connected)

Functional Features

• Hex Inverter: The SN74HC05NSR consists of six independent inverters, allowing for versatile logic operations.
• Open-Drain Outputs: The open-drain outputs provide flexibility in interfacing with different voltage levels and can be used for wired-OR configurations.
• High-Speed Operation: With a typical propagation delay of 9 ns, the SN74HC05NSR ensures fast signal processing.

Advantages and Disadvantages

Advantages

• Versatile logic operations due to six independent inverters.
• Flexibility in interfacing with different voltage levels.
• Fast signal processing with a low propagation delay.

Disadvantages

• Limited output current capacity (maximum 25 mA).
• Requires external pull-up resistors for proper operation in some applications.

Working Principles

The SN74HC05NSR operates based on the principles of digital logic. Each inverter within the IC takes an input signal and produces the logical complement of that signal at its output. The open-drain outputs allow the connection of multiple devices together, enabling wired-OR configurations.

Detailed Application Field Plans

The SN74HC05NSR finds applications in various fields, including:

1. Level Shifting: It is commonly used to shift logic levels between different voltage domains, ensuring compatibility between different integrated circuits.
2. Bus Interface: The open-drain outputs make it suitable for bus interface applications, where multiple devices can share a common communication line.
3. Pull-Up Resistor Network: The open-drain outputs require external pull-up resistors, making it useful for applications involving pull-up resistor networks.

Detailed and Complete Alternative Models

1. SN74HC04N: Hex Inverter without open-drain outputs.
2. SN74HCT05N: Hex Inverter with Schmitt-trigger inputs.
3. SN74LVC06A: Hex Inverter with 5V tolerant inputs.

These alternative models offer similar functionality but may have different characteristics or features depending on specific requirements.

In conclusion, the SN74HC05NSR is a versatile hex inverter with open-drain outputs. It provides level shifting and interfacing capabilities, making it suitable for various applications. While it offers advantages such as flexibility and high-speed operation, it also has limitations like limited output current capacity. Understanding its specifications, pin configuration, and alternative models can help users make informed decisions when selecting this integrated circuit for their projects.