SNJ54LS73AFD

Flip Flops Overview

The SNJ54LS73AFD is a dual J-K flip-flop with clear, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports an operating temperature range from -55 °C to +125 °C. The device features a propagation delay of 18 ns maximum at 5 V. It is housed in a 14-pin ceramic dual in-line package (CDIP) designed for high-reliability applications.

Flip Flops Feature Summary

• Dual independent J-K flip-flops with dedicated clear inputs
• Military-grade wide temperature operation capability
• Ceramic hermetic packaging for environmental protection

Flip Flops Applications

• High-reliability military digital logic circuits
• Aerospace data storage registers
• Industrial control systems requiring extended temperature stability

Flip Flops Procurement Notes

Verify the specific suffix 'FD' against the manufacturer's official datasheet to confirm the exact package variant and lead time requirements. Ensure that the procurement channel provides traceability documentation suitable for military or aerospace specifications. Confirm availability status as some variants may be subject to discontinuation notices.

Flip Flops Selection Notes

Select this component when dual J-K functionality with asynchronous clear is required in harsh environments. The ceramic CDIP package offers superior thermal and mechanical stability compared to plastic alternatives. Ensure the design accommodates the specific pinout and power dissipation characteristics defined in the official datasheet.

Flip Flops Part Context

This part belongs to the SN54LS73A family of dual J-K flip-flops. The SN54 series denotes military-grade performance with extended temperature ranges. The LS designation indicates Low-power Schottky logic technology, providing a balance of speed and power consumption suitable for complex digital systems.

Flip Flops Replacement Considerations

The SNJ54LS73AJ is a documented substitute within the same family, offering identical logical functionality. Verify pin compatibility and package dimensions before substitution. Other SN54LS73 variants may differ in package type but maintain functional equivalence.