Encyclopedia Entry: 74ABT240CMTCX

Product Overview

Category

The 74ABT240CMTCX 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 74ABT240CMTCX offers fast switching times, making it suitable for applications requiring quick data transfer.
• 3-state outputs: This feature allows multiple devices to share a common bus without interfering with each other's signals.
• Low power consumption: The IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a voltage range of 4.5V to 5.5V, providing flexibility in various electronic systems.

Package and Quantity

The 74ABT240CMTCX 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. Here is the detailed pin configuration:

1. A1: Input A1
2. Y1: Output Y1
3. A2: Input A2
4. Y2: Output Y2
5. A3: Input A3
6. Y3: Output Y3
7. A4: Input A4
8. Y4: Output Y4
9. GND: Ground
10. Y5: Output Y5
11. A5: Input A5
12. Y6: Output Y6
13. A6: Input A6
14. Y7: Output Y7
15. A7: Input A7
16. Y8: Output Y8
17. OE: Output Enable
18. VCC: Supply Voltage
19. B1: Input B1
20. B2: Input B2

Functional Features

• Non-inverting buffer/line driver: The IC amplifies and reproduces input signals without changing their logic levels.
• 3-state outputs: The 74ABT240CMTCX can be enabled or disabled, allowing the outputs to be in a high-impedance state when not required.
• High-speed operation: It provides fast signal propagation, enabling efficient data transfer in digital systems.

Advantages

• Fast switching times enable quick data transmission.
• 3-state outputs allow multiple devices to share a common bus without signal interference.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enhances compatibility with various electronic systems.

Disadvantages

• Limited number of inputs and outputs (8 each).
• May require additional components for certain applications.

Working Principles

The 74ABT240CMTCX operates by receiving input signals on its A1-A7 and B1-B2 pins. These signals are then amplified and reproduced at the corresponding Y1-Y8 output pins. The OE pin controls the output enable/disable functionality, allowing the outputs to be in a high-impedance state when necessary.

Application Field Plans

The 74ABT240CMTCX finds application in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory modules - Data communication systems - Industrial automation equipment - Automotive electronics

Alternative Models

For similar functionality, the following alternative models can be considered: - 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.

These alternative models offer comparable features and can be used as substitutes for the 74ABT240CMTCX in various applications.

In conclusion, the 74ABT240CMTCX is a high-speed non-inverting octal buffer/line driver IC with 3-state outputs. Its advantages include fast switching times, low power consumption, and wide operating voltage range. However, it has a limited number of inputs and outputs. This IC finds application in diverse digital systems and can be replaced by alternative models with similar functionality.