DS55113J

Overview

The DS55113J is a high-speed, low-power Schottky TTL quad bus driver manufactured by National Semiconductor. It features four independent drivers with separate inputs and outputs, designed for memory address driving and bus-oriented communications. The device operates within a supply voltage range of 4.75 V to 5.25 V. It utilizes a 16-pin ceramic dual in-line package (DIP) suitable for military applications. Key electrical parameters include a propagation delay of 8 ns maximum and a power dissipation of 100 mW per gate. The component is qualified under MIL-STD-883 Class B standards.

Feature Summary

• Provides four independent bidirectional data paths for bus driving applications
• Utilizes Schottky TTL technology for high-speed switching performance
• Designed for operation in extreme temperature environments ranging from -55°C to 125°C
• Features low power consumption characteristics typical of Schottky logic families

Applications

• Memory address driving in military computing systems
• Bus-oriented communication interfaces requiring high reliability
• High-speed data transmission lines in aerospace electronics
• I/O buffering for critical system buses

Procurement Notes

Verify the specific suffix J indicates a military-grade ceramic DIP package. Confirm MIL-STD-883 Class B qualification status through official datasheets or manufacturer certificates. Ensure compatibility with existing 5V logic levels and thermal management requirements for the intended operating environment before procurement.

Selection Notes

Select this component when high-speed bus driving is required in harsh environments. Compare propagation delays and power dissipation against standard TTL alternatives. Verify package integrity and lead material specifications for soldering processes. Consider availability of equivalent military-grade parts if supply chain constraints exist.

Part Context

This part belongs to the National Semiconductor Schottky TTL family, known for balancing speed and power efficiency. The DS55113 series is specifically engineered for robust performance in defense and aerospace sectors. It serves as a foundational building block for complex digital systems requiring reliable signal integrity across wide temperature ranges.

Replacement Considerations

Check for direct equivalents such as the SN55113J from Texas Instruments, which shares identical pinouts and electrical specifications. Verify that any substitute maintains the same MIL-STD-883 qualification level and ceramic package construction to ensure environmental resilience.