7406 (Hex Inverter with Open-Collector Outputs)

The 7406 is a Hex Inverter with Open-Collector Outputs. It is part of the 7400 series of logic ICs, which are widely used in digital electronics for a variety of logic operations. The 7406 contains six independent inverters (NOT gates), each with an open-collector output. The open-collector output allows the output to be either low (logic 0) or high impedance (no output), and the output will be pulled high by an external pull-up resistor.

7406 IC Description:

The 7406 is specifically a Hex Inverter with open-collector outputs, meaning it inverts the input signal (NOT operation) and provides an open-collector output for each of its six gates. This IC is commonly used in digital systems where the inverted signal is required or when a high-current sink is needed for output devices like LEDs or interfacing with other TTL or CMOS logic.

Key Features:

• Hex Inverter: Contains six independent inverters (NOT gates) in a single IC package.
• Open-Collector Outputs: Each output is an open-collector type, meaning the output can either be low (0V) or high impedance (not driving any voltage). This allows you to interface with different voltage levels or drive high-current loads with the help of an external pull-up resistor.
• High-Speed Operation: The 7406 is designed to provide fast switching times, making it suitable for high-speed digital logic applications.
• Low Power Consumption: As a CMOS IC, it features low power consumption while maintaining the necessary speed for most logic operations.
• Single Supply Operation: The IC typically operates at 5V, but can also function over a voltage range of 4.5V to 5.5V.

Pin Configuration (14-pin package):

Here is the pinout for the 7406:

1. Pin 1 (Output 1): Open-collector output for Inverter 1.
2. Pin 2 (Input 1): Input for Inverter 1.
3. Pin 3 (Output 2): Open-collector output for Inverter 2.
4. Pin 4 (Input 2): Input for Inverter 2.
5. Pin 5 (Output 3): Open-collector output for Inverter 3.
6. Pin 6 (Input 3): Input for Inverter 3.
7. Pin 7 (Ground): Ground (0V).
8. Pin 8 (Output 4): Open-collector output for Inverter 4.
9. Pin 9 (Input 4): Input for Inverter 4.
10. Pin 10 (Output 5): Open-collector output for Inverter 5.
11. Pin 11 (Input 5): Input for Inverter 5.
12. Pin 12 (Output 6): Open-collector output for Inverter 6.
13. Pin 13 (Input 6): Input for Inverter 6.
14. Pin 14 (Vcc): Supply voltage (typically 5V).