Encyclopedia Entry: 74ACTQ843SPC

Product Overview

Category

The 74ACTQ843SPC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications, including data processing, signal transmission, and control functions.

Characteristics

• High-speed operation: The 74ACTQ843SPC is designed to operate at high speeds, making it suitable for time-critical applications.
• Low power consumption: This IC is optimized for low power consumption, ensuring efficient energy usage.
• Wide voltage range: It can operate within a wide voltage range, providing flexibility in different electronic systems.
• Compact package: The 74ACTQ843SPC is available in a compact package, allowing for easy integration into circuit boards.

Package and Quantity

The 74ACTQ843SPC is typically packaged in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: ACTQ
• Number of Pins: 20
• Input/Output Compatibility: TTL/CMOS

Detailed Pin Configuration

The 74ACTQ843SPC has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: Output Y0
2. Pin 2: Output Y1
3. Pin 3: Output Y2
4. Pin 4: Output Y3
5. Pin 5: Output Y4
6. Pin 6: Output Y5
7. Pin 7: Output Y6
8. Pin 8: Output Y7
9. Pin 9: GND (Ground)
10. Pin 10: Output Enable (OE)
11. Pin 11: Input A0
12. Pin 12: Input A1
13. Pin 13: Input A2
14. Pin 14: Input A3
15. Pin 15: Input A4
16. Pin 16: Input A5
17. Pin 17: Input A6
18. Pin 18: Input A7
19. Pin 19: VCC (Power Supply)
20. Pin 20: Output Y8

Functional Features

The 74ACTQ843SPC is a high-speed octal buffer/line driver with 3-state outputs. It provides eight independent buffers with non-inverting outputs and an additional output for cascading purposes. The IC features a tri-state control function that allows the outputs to be disabled, effectively disconnecting them from the rest of the circuit.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption contributes to energy efficiency. - Wide voltage range allows for compatibility with various systems. - Compact package facilitates easy integration.

Disadvantages: - Limited number of outputs may restrict certain applications requiring more than eight outputs. - The tri-state control function may introduce complexity in circuit design.

Working Principles

The 74ACTQ843SPC operates based on the principles of digital logic. It receives input signals, processes them using internal circuitry, and produces corresponding output signals. The tri-state control function allows the outputs to be enabled or disabled, providing flexibility in controlling signal flow within a system.

Detailed Application Field Plans

The 74ACTQ843SPC finds applications in various fields, including: 1. Data communication systems 2. Microprocessor-based systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed Alternative Models

1. 74ACTQ843SC: Similar to the 74ACTQ843SPC, but packaged in a smaller SOIC package.
2. 74HC843: A compatible alternative from the HC logic family, offering similar functionality.
3. 74LS843: An alternative from the LS logic family, suitable for lower-speed applications.

In conclusion, the 74ACTQ843SPC is a high-speed octal buffer/line driver IC with versatile applications in digital electronic systems. Its compact size, low power consumption, and wide voltage range make it a popular choice among designers. However, its limited number of outputs and complexity introduced by the tri-state control function should be considered when selecting this IC for specific applications.

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