JM38510/33701B2A

Overview

The JM38510/33701B2A is a military-grade 3-line to 8-line decoder manufactured by Texas Instruments. It belongs to the F/FAST logic series and operates within a temperature range of -55°C to 125°C. The device features inverted outputs and utilizes TTL technology. It is housed in an LCCC package with 20 pins. Key electrical specifications include a maximum operating frequency of 70 MHz at nominal voltage and a maximum supply current of 20 mA.

Feature Summary

• Provides decoding functionality for three input lines to eight output lines
• Features inverted output logic states
• Constructed using TTL technology for reliable signal processing
• Designed for operation in extreme environmental conditions

Applications

• Military electronic systems requiring high-reliability logic control
• Aerospace instrumentation and data handling units
• Defense communication equipment address decoding
• Harsh environment industrial control logic circuits

Procurement Notes

Verify that the component meets all military specifications as defined by the JM38510 standard. Confirm the package type is LCCC and check for any specific quality assurance certifications required for defense procurement. Ensure the supplier provides traceability documentation consistent with aerospace and military supply chain requirements.

Selection Notes

Select this component when a robust, high-speed decoder is needed for critical applications. The F/FAST series offers speed advantages over standard TTL variants. Consider the 20-pin LCCC package for secure mounting in ruggedized enclosures. Verify compatibility with existing TTL logic levels and power supply constraints before integration into the design.

Part Context

This part is part of the Texas Instruments 54F138 family, which are 3-line to 8-line decoders. The JM38510 designation indicates it is a military-standard version, ensuring higher reliability and stricter manufacturing controls compared to commercial equivalents. It serves as a core logic element in complex digital systems requiring precise address or command decoding.

Replacement Considerations

Direct substitutes include other military-grade 54F138 variants from Texas Instruments or qualified manufacturers producing components under the same MIL-STD specifications. Ensure any replacement maintains the LCCC package and meets the -55°C to 125°C operating temperature range.