JM54ACT574SSA-R

Overview

The JM54ACT574SSA-R is an octal D-type flip-flop with tri-state outputs manufactured by National Semiconductor. It operates within a supply voltage range of 4.5V to 5.5V and features a quiescent current of 80 µA. The device has an input capacitance of 4.5 pF and supports an operating temperature range from -55°C to 125°C. It is housed in a ceramic DIP package.

Feature Summary

• Octal D-type flip-flop architecture with tri-state outputs
• Designed for driving highly capacitive or low-impedance loads
• Edge-triggered operation for stable signal processing

Applications

• Embedded control applications
• Networking applications
• Signal processing systems

Procurement Notes

Verify the manufacturer marking and date code against National Semiconductor specifications. Confirm the ceramic DIP-20 package integrity and pin alignment. Ensure the part number suffix matches the required military-grade temperature rating. Check for any physical damage to the ceramic housing before integration into sensitive circuits.

Selection Notes

Select this component when high-speed octal latching with tri-state capability is required. It is suitable for environments demanding wide temperature stability and robust drive strength. Consider its specific input capacitance and supply voltage constraints relative to the system logic levels and power budget.

Part Context

This part belongs to the 54ACT series, indicating military-grade performance and extended temperature ranges. It serves as a digital storage element within larger bus structures. The ceramic packaging provides enhanced durability compared to standard plastic variants for harsh environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative manufacturers or updated series revisions.