The DM5402J/883 is a Quad 2-Input NOR Gate manufactured by Rochester Electronics. This integrated circuit is part of the 5400 series, known for its military-grade specifications and reliability. Rochester Electronics specializes in providing continued support for discontinued or hard-to-find components, ensuring availability for long-lifecycle applications.

Applications:

• Military and Aerospace Systems: Used in critical control and processing units where high reliability and extended temperature ranges are essential.
• Industrial Control Systems: Implemented in logic circuits for automation, monitoring, and safety systems.
• Instrumentation: Employed in test equipment and measurement devices for signal processing and control.
• Legacy System Maintenance: Provides a replacement component for older systems requiring continued operation.
• Custom Logic Circuits: Used as a fundamental building block for creating custom digital logic functions.

Features:

• Quad 2-Input NOR Gate: Contains four independent NOR gates, each with two inputs and one output.
• Military Temperature Range: Operates reliably over a wide temperature range, typically -55°C to +125°C.
• High Noise Immunity: Provides stable operation in noisy environments.
• Standard TTL Logic: Compatible with other TTL (Transistor-Transistor Logic) devices.
• Hermetic Package: Encased in a hermetically sealed package for enhanced protection against environmental factors.
• Rochester Electronics Support: Ensures continued availability and support for this discontinued component.

Benefits:

• High Reliability: Designed for demanding applications requiring long-term stability and performance.
• Extended Temperature Range: Operates reliably in extreme temperature conditions.
• Guaranteed Availability: Rochester Electronics ensures a continued supply of this component.
• Easy Integration: Compatible with standard TTL logic families, simplifying circuit design.
• Reduced System Downtime: Provides a reliable replacement component for older systems, minimizing downtime and maintenance costs.

Additional Details: The DM5402J/883 is typically supplied in a ceramic DIP (Dual In-line Package). It operates from a standard 5V power supply. Datasheets provide detailed electrical characteristics, including input and output voltage levels, propagation delays, and power consumption. The /883 designation indicates compliance with military standards for quality and reliability.