Texas Instruments

SN74LS266DRG4

SN74LS266DRG4 Description

The SN74LS266DRG4 is a high-performance, 4-channel XNOR gate integrated circuit (IC) designed for surface-mount applications. Manufactured by Texas Instruments, this IC is part of the 74LS series and offers robust performance characteristics suitable for a wide range of digital logic applications. The device operates within a supply voltage range of 4.75V to 5.25V and is specified for an operating temperature range of 0°C to 70°C. Each of the four XNOR gates has two inputs, providing a total of eight input pins.

The SN74LS266DRG4 features open collector outputs, which allow for flexible circuit design and compatibility with various logic families. The maximum propagation delay is 30ns at 5V with a maximum load capacitance of 15pF, ensuring fast and reliable signal processing. The input logic levels are well-defined, with a low level at 0.8V and a high level at 2V, facilitating precise signal handling.

Packaged in a 14-pin SOIC (Small Outline Integrated Circuit) format, the SN74LS266DRG4 is suitable for surface-mount technology (SMT) applications, making it ideal for compact and high-density PCB designs. The device is compliant with RoHS3 standards and is unaffected by REACH regulations, ensuring environmental sustainability and regulatory compliance.

SN74LS266DRG4 Features

• Logic Type: XNOR (Exclusive NOR) gates, providing versatile digital logic functionality.
• Number of Circuits: Four independent XNOR gates, each with two inputs.
• Operating Temperature: 0°C to 70°C, suitable for a broad range of ambient conditions.
• Supply Voltage: 4.75V to 5.25V, ensuring compatibility with standard 5V digital systems.
• Propagation Delay: Maximum of 30ns at 5V and 15pF, enabling high-speed signal processing.
• Input Logic Levels: Clearly defined at 0.8V for low and 2V for high, ensuring reliable signal recognition.
• Output Type: Open collector, offering flexibility in circuit design and compatibility with different logic families.
• Package: 14SOIC, designed for surface-mount applications, ideal for compact and high-density PCB layouts.
• Regulatory Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental sustainability.

SN74LS266DRG4 Applications

The SN74LS266DRG4 is ideal for applications requiring high-speed, reliable digital logic processing. Its XNOR gates make it suitable for tasks such as parity checking, error detection, and control signal generation. The open collector outputs allow for easy interfacing with other digital circuits, making it a versatile component in complex digital systems.

Specific use cases include:

• Parity Checking: Utilizing the XNOR gates to verify data integrity in digital communication systems.
• Control Signal Generation: Creating control signals for microprocessors and other digital devices.
• Error Detection: Implementing error detection mechanisms in digital circuits.
• Digital Signal Processing: Processing digital signals in applications such as digital filters and signal conditioning.

Conclusion of SN74LS266DRG4

The SN74LS266DRG4 is a reliable and high-performance XNOR gate IC designed for surface-mount applications. Its robust performance characteristics, including fast propagation delay and well-defined input logic levels, make it suitable for a variety of digital logic applications. The open collector outputs and 14SOIC package further enhance its versatility and compatibility with different digital systems. While the product is marked as obsolete, its technical specifications and performance benefits continue make to it a valuable component in the electronics industry.