4019BDM

Overview

The National Semiconductor 4019BDM is a quad 2-input OR gate integrated circuit manufactured in a 14-pin ceramic dual in-line package (CDIP). Designed for high-noise immunity and low power consumption, it operates within a wide supply voltage range typical of CMOS logic families. The device features four independent OR gates, providing flexible signal routing capabilities. It is rated for military-grade temperature ranges, ensuring reliable performance in demanding environments.

Feature Summary

• Quad 2-input OR gate configuration for independent signal processing
• High noise immunity suitable for harsh electrical environments
• Low power consumption characteristics for energy efficiency
• Military-grade temperature rating for extended operational reliability

Applications

• Signal switching and multiplexing circuits
• Logic level translation in mixed-signal systems
• Data selection and routing in embedded controllers
• Industrial control systems requiring high noise immunity

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets were acquired by Texas Instruments. Confirm the specific datasheet revision matches the required specifications. Ensure the CDIP package dimensions align with your PCB footprint. Check for any lead-free or RoHS compliance requirements if applicable to your assembly process. Validate the part status as active or obsolete before finalizing procurement plans.

Selection Notes

Select this component when a quad OR gate function is required in a ruggedized environment. Consider the CDIP package for through-hole mounting and enhanced thermal stability. Evaluate the supply voltage compatibility with your system's logic levels. Compare pinout configurations with alternative manufacturers to ensure direct replacement feasibility without schematic modifications.

Part Context

The 4019 series belongs to the standard CMOS logic family, known for broad operating voltage ranges and static stability. The BDM suffix typically denotes a military-grade variant with stricter screening and reliability standards. This component serves as a fundamental building block for digital logic design, offering robust performance in aerospace, defense, and industrial applications where environmental resilience is critical.

Replacement Considerations

Check for equivalent parts from Texas Instruments, which acquired National Semiconductor's logic product lines. Verify pin-to-pin compatibility with other quad OR gate ICs from different manufacturers. Ensure that voltage thresholds and propagation delays meet the original design specifications when substituting.