Encyclopedia Entry: 74ABT240CSJX

Product Overview

Category

The 74ABT240CSJX belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series logic devices.

Use

This IC is commonly used in digital electronic systems for signal buffering and line driving purposes. It acts as a non-inverting octal buffer/line driver with 3-state outputs.

Characteristics

• High-speed operation: The 74ABT240CSJX offers fast switching times, making it suitable for applications requiring quick data transfer.
• 3-state outputs: The IC provides three output states - high, low, and high impedance, allowing multiple devices to share a common bus without interference.
• Wide voltage range: It operates within a wide voltage range of 4.5V to 5.5V, making it compatible with various digital systems.
• Low power consumption: The IC consumes minimal power, enhancing energy efficiency in electronic circuits.

Package and Quantity

The 74ABT240CSJX is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6 ns
• Maximum Quiescent Current: 10 μA

Pin Configuration

The IC has a total of 20 pins, which are assigned specific functions as follows:

1. A1: Input A1
2. Y1: Output Y1
3. A2: Input A2
4. Y2: Output Y2
5. GND: Ground
6. A3: Input A3
7. Y3: Output Y3
8. A4: Input A4
9. Y4: Output Y4
10. OE: Output Enable
11. Y5: Output Y5
12. A5: Input A5
13. Y6: Output Y6
14. A6: Input A6
15. Y7: Output Y7
16. A7: Input A7
17. Y8: Output Y8
18. VCC: Supply Voltage
19. GND: Ground
20. A8: Input A8

Functional Features

• Buffering and Line Driving: The IC acts as a buffer, amplifying and transmitting digital signals without altering their logic levels.
• 3-State Outputs: The 74ABT240CSJX offers three output states - high, low, and high impedance, allowing multiple devices to share a common bus without interference.
• Non-Inverting Operation: The input signal is reproduced at the output with the same logic level.

Advantages

• High-speed operation enables efficient data transfer in digital systems.
• 3-state outputs facilitate bus sharing and reduce signal conflicts.
• Wide voltage range compatibility enhances versatility in various applications.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited number of inputs and outputs restricts scalability for complex systems.
• Sensitivity to electrostatic discharge (ESD) requires proper handling during installation and usage.

Working Principles

The 74ABT240CSJX operates based on complementary metal-oxide-semiconductor (CMOS) technology. It utilizes transistors to amplify and transmit digital signals while maintaining their logic levels. The IC's non-inverting nature ensures that the input signal is reproduced at the output without any inversion.

Application Field Plans

The 74ABT240CSJX finds applications in various digital systems, including: 1. Microprocessors and microcontrollers 2. Memory modules 3. Data communication interfaces 4. Industrial automation systems 5. Automotive electronics

Alternative Models

Other alternative models that can be used as substitutes for the 74ABT240CSJX include: - 74ACT240: Advanced CMOS octal buffer/line driver with 3-state outputs. - SN74LS240: Low-power Schottky octal buffer/line driver with 3-state outputs. - CD74HCT240: High-speed CMOS octal buffer/line driver with 3-state outputs.

In conclusion, the 74ABT240CSJX is a high-speed non-inverting octal buffer/line driver IC with 3-state outputs. It offers advantages such as fast operation, 3-state outputs, wide voltage range compatibility, and low power consumption. However, it has limitations regarding scalability and sensitivity to ESD. This IC finds applications in microprocessors, memory modules, data communication interfaces, industrial automation systems, and automotive electronics. Alternative models like 74ACT240