74ACT138FPEL-E

Signal Switches, Multiplexers, Decoders Overview

The 74ACT138FPEL-E is a high-speed CMOS logic device belonging to the Renesas 74ACT series. It functions as a 3-line to 8-line decoder/demultiplexer with inverting outputs. The component operates within a supply voltage range of 4.5 V to 5.5 V and features three active-low enable inputs for flexible system control. Designed for surface-mount applications, it utilizes a 16-pin TSSOP package. The device supports an industrial operating temperature range from -40°C to +85°C, ensuring reliable performance in demanding electronic environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides decoding functionality by converting three binary address inputs into one of eight mutually exclusive low-active outputs.
• Incorporates three dedicated enable inputs that allow precise synchronization and cascading capabilities for complex digital systems.
• Utilizes advanced CMOS technology to deliver high switching speeds while maintaining low power consumption characteristics.

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor-based memory systems
• Data routing in digital communication interfaces
• Control signal generation in industrial automation equipment

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix FPEL-E against the manufacturer's current datasheet to confirm pinout compatibility and package dimensions. Ensure the procurement channel provides original manufacturer documentation to validate authenticity. Cross-reference the RoHS compliance status with current environmental regulations before finalizing orders.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a 3-to-8 decoding function is required within standard 5V logic families. Consider the ACT series specifications for speed and drive capability compared to legacy LS or HC alternatives. Verify that the TSSOP package footprint aligns with the target PCB layout constraints and thermal management requirements.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the widely adopted 74ACT logic family, which bridges the performance gap between older bipolar technologies and modern CMOS standards. The 138 variant specifically addresses common decoding needs in digital circuit design. Renesas Electronics continues to support this lineage for established industrial and consumer applications requiring robust logic control.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Compatible substitutes include MC74ACT138DR2G from onsemi and CD74ACT138ME4 from Texas Instruments. These components share identical logical functions and pin configurations. Verify package tolerance and electrical parameters match the original design specifications before substitution.