54F253/BFA

Overview

The 54F253/BFA is a dual 4-line-to-1 data selector/multiplexer from the F/FAST logic series, manufactured by Rochester Electronics. It features two independent multiplexers, each selecting one of four data inputs based on two address lines. The component is designed for high-speed digital signal routing and switching applications within military-grade specifications.

Feature Summary

• Dual independent 4-to-1 multiplexer architecture
• High-speed F/FAST logic family performance
• Military-grade reliability and qualification

Applications

• Military avionics signal routing
• Data acquisition systems
• Communication equipment switching

Procurement Notes

Verify the M38510/33908BFA marking to confirm authenticity. Ensure environmental compliance requirements match mission parameters. Confirm package integrity upon receipt. Validate electrical characteristics against original MIL-SPEC standards before integration into critical systems.

Selection Notes

Select this component when dual independent 4-to-1 multiplexing is required in harsh environments. Consider the F/FAST speed class for timing-sensitive applications. Verify voltage levels and interface compatibility with existing logic families in the target design.

Part Context

This part belongs to the 54F253 series, a standard military multiplexer line. It is often cross-referenced with other M38510 qualified devices. Rochester Electronics provides these as surplus or new old stock components for legacy system maintenance.

Replacement Considerations

Direct substitutes include other M38510/33908 qualified parts. Verify pinout compatibility before substitution. Ensure functional equivalence in terms of propagation delay and input/output characteristics.