Texas Instruments

SN74LS33DR  

Gates and Inverters

SN74LS33DR Description

The SN74LS33DR is a high-performance NOR gate logic IC chip, part of the 74LS series, manufactured by Texas Instruments. This device is designed for surface mount applications and features a 14-pin SOIC package, making it suitable for compact and efficient circuit designs. The SN74LS33DR operates within a supply voltage range of 4.75V to 5.25V and can function reliably within an operating temperature range of 0°C to 70°C.

SN74LS33DR Features

The SN74LS33DR offers several key features that make it a versatile and reliable choice for various digital logic applications:

• Logic Type: The SN74LS33DR is a NOR gate, which is a fundamental building block in digital logic circuits. It provides four independent NOR gates, each with two inputs, allowing for efficient implementation of logical functions.
• Open Collector Output: This feature enables the SN74LS33DR to be used in wired-AND configurations and allows for easy interfacing with other logic families.
• Propagation Delay: The maximum propagation delay is 32ns at 5V with a maximum capacitive load of 45pF, ensuring fast and reliable signal processing.
• Input Logic Levels: The device supports low input logic levels up to 0.8V and high input logic levels starting from 2V, providing compatibility with a wide range of digital systems.
• Compliance and Status: The SN74LS33DR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. The product is also active, indicating its continued availability and support from Texas Instruments.
• Packaging: Available in tape and reel (TR) packaging, the SN74LS33DR is suitable for automated assembly processes, enhancing manufacturing efficiency.

SN74LS33DR Applications

The SN74LS33DR is ideal for a variety of applications due to its robust performance and compatibility with standard digital logic systems. Some specific use cases include:

• Digital Logic Circuits: The NOR gates are fundamental components in digital logic circuits, enabling the implementation of complex Boolean functions.
• Control Systems: The fast propagation delay and reliable operation make the SN74LS33DR suitable for use in control systems where quick response times are critical.
• Consumer Electronics: The compact size and surface mount package make it ideal for consumer electronics where space is at a premium.
• Automotive Electronics: The wide operating temperature range and robustness make it suitable for automotive applications where reliability and durability are paramount.
• Industrial Automation: The device can be used in industrial automation systems for signal processing and control functions.

Conclusion of SN74LS33DR

The SN74LS33DR is a highly reliable and versatile NOR gate IC chip that offers significant advantages over similar models. Its fast propagation delay, open collector output, and compatibility with various digital systems make it an excellent choice for a wide range of applications. The device's compliance with environmental and regulatory standards ensures its suitability for modern electronics manufacturing. Whether used in digital logic circuits, control systems, or consumer electronics, the SN74LS33DR provides a robust and efficient solution for digital logic needs.

SN74LS33DR Documents

Download datasheets and manufacturer documentation for SN74LS33DR

Images :

Mechanical Outline Drawing      

Product Catalogs :

Logic Guide (Rev. AB)      

SPICE Models :

SN74LS33 Behavioral SPICE Model