54F273/Q2A

Overview

The 54F273/Q2A is a high-speed silicon-gate logic device manufactured by Rochester Electronics, LLC. It functions as an octal D-type flip-flop with three-state outputs, designed for military and aerospace applications requiring high reliability. The component operates within a standard temperature range and utilizes a ceramic dual in-line package to ensure durability in harsh environments. Key electrical characteristics include a supply voltage range of 4.75V to 5.25V and propagation delays typical of the F-series logic family. The device features true outputs and positive edge triggering, making it suitable for high-speed data storage and transfer operations in critical systems.

Feature Summary

• Octal D-type flip-flop architecture with positive edge triggering mechanism
• Three-state outputs for efficient bus interfacing and system isolation
• Ceramic dual in-line packaging ensuring hermetic sealing and environmental resistance
• Compliance with MIL-PRF-38535 standards for Class K and J military grade reliability

Applications

• Military avionics data processing systems
• Aerospace communication equipment registers
• High-reliability industrial control logic storage
• Defense radar signal processing interfaces

Procurement Notes

Verify that the supplier provides valid traceability documentation linking to the original manufacturer or authorized distributor. Confirm that the device meets the specific MIL-PRF-38535 class requirements (Class K or J) necessary for your application. Request test reports for burn-in and reliability screening if required by your quality management system. Ensure the part number suffix matches the exact package and temperature rating needed. Validate all incoming components against current industry standards for counterfeit prevention.

Selection Notes

Select this component when designing systems that demand high-speed logic performance combined with extreme environmental resilience. The ceramic package offers superior protection against moisture and mechanical stress compared to plastic alternatives. Consider the three-state output capability for complex bus architectures where multiple devices share data lines. Evaluate the propagation delay specifications against your system timing requirements to ensure signal integrity. This device is ideal for legacy system maintenance or new designs requiring proven military-grade reliability.

Part Context

The 54F273/Q2A belongs to the 54F series of high-speed logic devices, which are known for their fast switching speeds and robust performance. This series is widely used in military and aerospace applications due to its compliance with stringent reliability standards. The Q2A suffix typically denotes a specific package variant or testing level within the military grade classification. Rochester Electronics supports this component through lifecycle management programs, ensuring availability for long-term defense and aerospace projects.

Replacement Considerations

Direct replacements must match the 54F series specifications and military grade certification. Verify pin compatibility and electrical parameters such as supply voltage and propagation delay. Ensure the substitute device offers equivalent hermetic sealing and radiation hardness if applicable. Cross-reference with official manufacturer cross-reference lists for approved equivalents.