74ACT11139DRE4

Signal Switches, Multiplexers, Decoders Overview

The SN74ACT11139DRE4 is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature from -40°C to +85°C. The device features fully buffered inputs compatible with TTL voltage levels, ensuring minimal loading on driving circuits. Propagation delays are specified at a maximum of 8.5 ns for address inputs and 7.9 ns for enable inputs at 5 V. Output drive capabilities include a low-level current of 24 mA and a high-level current of -24 mA.

Signal Switches, Multiplexers, Decoders Feature Summary

• Incorporates two independent 2-to-4 decoders within a single package to minimize system decoding effects in high-performance memory applications.
• Features active-low enables that can function as data lines, allowing the device to operate effectively as a demultiplexer.
• Utilizes center-pin VCC and GND configurations to minimize high-speed switching noise during operation.

Signal Switches, Multiplexers, Decoders Applications

• High-performance memory decoding systems
• Data transmission and routing applications
• Demultiplexing circuits requiring short propagation delay times

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component status before procurement, as the DRE4 suffix indicates an obsolete product line. Confirm availability through authorized distributors or secondary markets. Ensure design-in compliance with RoHS standards if applicable to legacy inventory. Review datasheet revisions to confirm electrical characteristics match specific application requirements.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for designs requiring fast decoding speeds and TTL-compatible input logic levels. The dual-decoder architecture allows efficient space utilization compared to discrete solutions. Verify that the SOIC-16 package dimensions fit the target PCB layout constraints. Consider the obsolete status when planning long-term production lifecycles.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74ACT logic family, utilizing EPIC (Enhanced-Performance Implanted CMOS) technology. It provides superior speed and power consumption characteristics compared to standard 74LS series devices. The device is designed specifically for high-speed digital systems where signal integrity and timing precision are critical operational factors.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers: None available.