Encyclopedia Entry: 74ACT11240DBRE4

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ACT11240DBRE4 is a high-speed, octal buffer/line driver designed for use in various digital applications. It provides non-inverting outputs and can be used as a buffer or line driver to amplify and transmit digital signals.

Characteristics: - High-speed operation: The 74ACT11240DBRE4 operates at a high speed, making it suitable for applications that require fast signal transmission. - Non-inverting outputs: The IC provides non-inverting outputs, ensuring that the input signal is reproduced accurately at the output. - Octal configuration: With eight buffer/line driver channels, the IC offers flexibility in handling multiple digital signals simultaneously.

Package: The 74ACT11240DBRE4 is available in a small-outline integrated circuit (SOIC) package. This package type ensures easy integration onto printed circuit boards (PCBs) and allows for efficient heat dissipation.

Essence: The essence of the 74ACT11240DBRE4 lies in its ability to amplify and transmit digital signals accurately and quickly. It serves as a crucial component in digital systems where signal integrity and speed are paramount.

Packaging/Quantity: The 74ACT11240DBRE4 is typically sold in reels containing a quantity of 250 units per reel.

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: 6ns
• Maximum Output Current: ±24mA

Detailed Pin Configuration

The 74ACT11240DBRE4 features a 20-pin SOIC package with the following pin configuration:

+---+--+---+ OE1 - |1 +--+ 20| VCC A1 - |2 19| B1 Y1 - |3 18| A2 GND - |4 17| Y2 Y3 - |5 16| GND A3 - |6 15| Y4 B3 - |7 14| A4 OE2 - |8 13| B4 Y5 - |9 12| A5 A5 - |10 11| Y6 +----------+

Functional Features

• Non-inverting Buffer/Line Driver: The IC provides non-inverting outputs, ensuring that the input signal is reproduced accurately at the output.
• High-Speed Operation: With a maximum propagation delay of 6ns, the IC enables fast signal transmission in digital systems.
• Octal Configuration: The eight buffer/line driver channels offer flexibility in handling multiple digital signals simultaneously.
• Output Enable Control: The OE1 and OE2 pins allow for individual channel control, enabling selective activation or deactivation of specific outputs.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal transmission. - Non-inverting outputs ensure accurate reproduction of input signals. - Octal configuration provides flexibility in handling multiple digital signals. - Output enable control allows for selective activation or deactivation of outputs.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may restrict compatibility with certain systems. - Maximum output current of ±24mA may not be sufficient for high-power applications.

Working Principles

The 74ACT11240DBRE4 operates by receiving digital input signals and amplifying them to produce non-inverted outputs. The IC utilizes a combination of transistors, resistors, and capacitors to achieve high-speed signal transmission while maintaining signal integrity.

When the output enable (OE1 or OE2) is active, the input signals are amplified and transmitted through the corresponding output channels. When the output enable is inactive, the outputs are in a high-impedance state, effectively disconnecting them from the system.

Detailed Application Field Plans

The 74ACT11240DBRE4 finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data communication systems - Memory interfaces - Industrial automation systems - Automotive electronics

In these applications, the IC serves as a crucial component for buffering and driving digital signals, ensuring reliable and efficient data transmission.

Detailed and Complete Alternative Models

• 74ACT11240D: This model offers similar functionality and characteristics to the 74ACT11240DBRE4 but comes in a different package type (DIP).
• 74HC112