54ACT139/QEA

Overview

The 54ACT139/QEA is a high-speed CMOS logic component manufactured by Rochester Electronics, LLC. It functions as a dual 2-line to 4-line decoder/demultiplexer within the 54ACT series. The device utilizes a 16-pin Ceramic Dual In-Line Package (CDIP). It operates with an ACT logic family standard, ensuring compatibility with advanced digital systems requiring reliable signal decoding and distribution.

Feature Summary

• Dual independent 2-to-4 line decoding capability
• High-speed CMOS technology for efficient operation
• Ceramic Dual In-Line Package (CDIP) construction

Applications

• Digital address decoding circuits
• Data distribution in communication systems
• Control logic in industrial automation

Procurement Notes

Verify the specific suffix QEA against original equipment manufacturer documentation to confirm package type and material specifications. Ensure compliance with project requirements regarding ceramic packaging and military-grade reliability standards associated with the 54ACT series before finalizing procurement decisions.

Selection Notes

Select this component when a robust, high-speed decoder is required in environments necessitating ceramic packaging durability. The 54ACT series offers performance characteristics suitable for demanding applications where signal integrity and speed are critical factors in system design.

Part Context

Rochester Electronics specializes in supplying obsolete and hard-to-find semiconductors. The 54ACT139/QEA represents a continuation of legacy logic components, providing availability for designs that cannot be easily migrated to newer technologies without significant redesign efforts.

Replacement Considerations

Consult official cross-reference lists for equivalent parts from other manufacturers. Verify pinout compatibility and electrical specifications before substituting with alternative decoder ICs.