JM38510/30109BFA

Overview

The JM38510/30109BFA is a dual J-K positive-edge-triggered flip-flop manufactured by Texas Instruments. It belongs to the SN54LS109A series and features true output polarity with open-collector outputs. The component operates within a supply voltage range of 4.5 V to 5.5 V, drawing a maximum supply current of 85 mA. It provides a propagation delay of 100 ns and supports an output drive capability of -0.4 mA high and 8 mA low. The device is housed in a 16-pin CFP (W) ceramic package and functions across an operating temperature range of -55 °C to 125 °C.

Feature Summary

• Dual J-K configuration with positive-edge triggering mechanism
• Integrated preset and clear control inputs for state management
• Open-collector output structure supporting true logic polarity
• Ceramic flatpack construction designed for harsh environment reliability

Applications

• High-reliability digital logic circuits requiring military-grade components
• Frequency division and counting applications in aerospace systems
• Data storage elements in secure communication equipment
• Timing sequence generation in defense electronics

Procurement Notes

Verify that the specific part number matches the required military or space-grade qualification standards. Confirm the package type and pinout compatibility with existing board layouts. Ensure the supplier provides traceable documentation regarding material composition and manufacturing origin. Check for any specific handling requirements related to the ceramic package integrity during installation.

Selection Notes

Select this component when dual J-K flip-flops with edge-triggering are required for critical systems. The open-collector outputs allow for wired-logic connections and flexible interfacing. Consider the thermal performance and power consumption limits relative to the system design. Verify that the TTL input levels align with the rest of the logic family in the circuit.

Part Context

This part is a specialized variant of the standard SN54LS109A logic device, tailored for rigorous operational environments. It falls under the broader category of high-speed low-power Schottky TTL logic. The designation indicates compliance with specific government or industry standards for durability and performance consistency in extreme conditions.

Replacement Considerations

Direct substitutes include other SN54LS109 variants meeting identical electrical specifications. Cross-reference alternative manufacturers offering equivalent military-grade dual J-K flip-flops. Ensure functional equivalence regarding trigger type, output configuration, and timing parameters before substitution.