Texas Instruments

SN74LS33N  

Gates and Inverters

SN74LS33N Description

The SN74LS33N is a high-performance NOR gate integrated circuit (IC) designed for a wide range of digital logic applications. Manufactured by Texas Instruments, this IC belongs to the 74LS series and features four independent NOR gates, each with two inputs. The SN74LS33N is designed to operate within a supply voltage range of 4.7V5 to 5.25V and an operating temperature range of 0°C to 70°C, making it suitable for general-purpose digital circuits.

The IC is housed in a through-hole package, specifically a 14-pin DIP (Dual In-line Package), which facilitates easy integration into breadboards and printed circuit boards (PCBs). The SN74LS33N is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards for modern electronics manufacturing.

SN47LS33N Features

The SN74LS33N offers several key features that enhance its performance and versatility in digital logic applications:

• Logic Type: NOR Gate
• Number of Circuits: 4
• Number of Inputs per Gate: 2
• Operating Temperature: 0°C to 70°C
• Supply Voltage: 4.75V to 5.25V
• Input Logic Levels:
  • Low: 0.8V
  • High: 2V
• Max Propagation Delay: 32ns @ 5V, 45pF
• Current - Quiescent (Max): 3.6 mA
• Features: Open Collector
• Package: Tube
• Mounting Type: Through Hole
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Moisture Sensitivity Level (MSL): Not Applicable

The open collector feature allows for flexible output configurations, enabling the SN74LS33N to interface with a variety of systems digital. The low propagation delay ensures fast signal processing, making it ideal for applications requiring high-speed logic operations.

SN74LS33N Applications

The SN74LS33N is well-suited for a variety of applications in the electronics industry, including:

• Digital Logic Circuits: The NOR gates can be used to implement basic logic functions, such as signal inversion, combining signals, and creating complex logic expressions.
• Control Systems: The IC can be used in control systems to process multiple input signals and generate control outputs based on logical conditions.
• Data Processing: The fast propagation delay and low quiescent current make it suitable for data processing applications where speed and efficiency are critical.
• Communication Systems: The open collector outputs can be used in communication systems for signal transmission and interfacing with other digital components.

Conclusion of SN74LS33N

The SN74LS33N is a versatile and reliable NOR gate IC that offers high performance and flexibility in digital logic applications. Its low propagation delay, open collector feature, and compatibility with standard supply voltages make it an excellent choice for a wide range of electronic systems. The through-hole package and compliance with environmental further standards enhance its appeal for both prototyping and production environments. Whether used in control systems, data processing, or communication applications, the SN74LS33N provides a robust and efficient solution for digital logic needs.

SN74LS33N Documents

Download datasheets and manufacturer documentation for SN74LS33N

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)      

Models :

SN74LS33N Symbol & Footprint by SnapMagic      

Product Catalogs :

Logic Guide (Rev. AB)      

SPICE Models :

SN74LS33 Behavioral SPICE Model