74AC11240DWRE4

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74AC11240DWRE4 is a high-performance logic device that is part of the AC logic family of digital integrated circuits (ICs). It provides four buffers that offer improved performance and features over conventional digital buffer ICs. This IC typically finds application in high-speed logic systems or interfaces, digital signal processing and communication systems, and digital logic libraries. In addition to its higher speed, the 74AC11240DWRE4 offers low propagation delay, improved noise immunity, and low power dissipation, making it an ideal choice for integrated logic solutions.

Overview

The 74AC11240DWRE4 is a quad single-ended Bus Buffer. It is designed with advanced silicon-gate CMOS technology, which meets the requirements of high-speed designs. The 74AC11240DWRE4 has four independent buffers that are designed to drive unloaded standard TTL loads. This IC has input equalization to minimize data transitions, reduce EMI, and improve system performance in operated environments. It can provide buffering functions with extended capabilities in digital logic systems. It is available in a 20-pin Dual-In-Line (DIP) package and has an operating temperature range of -55°C to +125°C.

Features and Benefits

The 74AC11240DWRE4 offers a variety of features that can fit in many different digital logic applications. Its features and benefits include:

• High-speed operation at -7ns propagation delay.
• Low power dissipation.
• Standard TTL outputs.
• High output drive at 4mA.
• 10mA per input drive.
• Low jam input threshold.
• Integrated input equalization circuitry.
• Available in 20-pin DIP packages.

Applications

The 74AC11240DWRE4 is an ideal IC for applications that require high-speed performance, low power consumption, and robust digital logic solutions. Some of its applications include:

• Networking equipment
• High-speed logic systems
• Power grid systems
• Broadcast digital systems
• Industrial machinery
• Data communications

Working Principle

74AC11240DWRE4 operates on the principle of three-state logic. It has four Si-gate CMOS buffers and each buffer has an active-high enable (EN) input. When EN is high, the output driving capacity is enabled. The outputs will be in either a high or low state when EN is high, depending on the state of the input. When EN is low, the output will be in a high-impedance state, disabling any driving capacity, and disconnecting the output from the input.

The input is clamped to VDD and GND by the internal equalization circuitry. This circuitry acts as a buffer to reduce the input voltage range, making it compatible with standard output voltages of TTL logic. This helps reduce the need for external series resistors or buffers when connecting to conventional TTL digital logic.

Conclusion

The 74AC11240DWRE4 is an advanced logic device that offers improved performance and features over conventional digital buffer ICs. This IC can be used to perform buffering functions in digital logic systems, for networking equipment, power grids, broadcast systems, industrial machinery, and data communications. As it provides high-speed operation at -7ns propagation delay and low power dissipation, it is an ideal choice for integrated logic solutions.

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