54ACTQ273ERQMLV

Overview

The 54ACTQ273ERQMLV is a single-element D-type flip-flop manufactured by National Semiconductor. It features eight bits of data storage with positive edge triggering. The device utilizes ACT technology for high-speed operation and low power consumption. It is housed in a 20-CLCC surface-mount package. Key electrical parameters include a quiescent current of 80 µA and an input capacitance of 4.5 pF. The operating temperature range spans from -55°C to 125°C (TA). Output types are non-inverted, suitable for standard logic interfacing applications requiring reliable state retention.

Feature Summary

• Single-element D-type flip-flop architecture providing eight-bit data storage capability
• Positive edge triggering mechanism for precise timing control
• ACT technology implementation ensuring high-speed performance with low power dissipation
• Non-inverted output configuration compatible with standard logic families

Applications

• High-reliability aerospace and defense digital systems
• Military-grade data acquisition and processing circuits
• Ruggedized communication equipment requiring extended temperature stability

Procurement Notes

Verify the component authenticity through authorized National Semiconductor or Texas Instruments channels. Confirm the QMLV qualification status matches specific military or aerospace procurement requirements. Ensure the 20-CLCC package variant aligns with board layout specifications. Request official datasheets to validate electrical characteristics against system design constraints before finalizing orders.

Selection Notes

Select this component when designing systems that demand radiation-hardened or qualified logic elements under extreme thermal conditions. The ACT series offers a balance of speed and power efficiency suitable for complex digital logic. Consider the 20-CLCC package for surface-mount assembly needs. Evaluate the 80 µA quiescent current impact on overall system power budgets during continuous operation phases.

Part Context

This part belongs to the 54ACTQ family of logic devices, characterized by advanced CMOS technology. The 'QMLV' suffix indicates qualification under specific military or government standards, distinguishing it from commercial variants. National Semiconductor, now part of Texas Instruments, produces this line for high-reliability applications. The 54ACTQ273 specifically addresses the need for robust, multi-bit storage elements in critical infrastructure.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference compatibility with other 54ACTQ273 variants only if they share identical QMLV qualification and pinout specifications. Consult manufacturer guidelines for direct replacements.