TC74LCX138FT(EL)

Signal Switches, Multiplexers, Decoders Overview

The TC74LCX138FT(EL) is a high-speed CMOS 1-of-8 decoder/driver manufactured by Toshiba Semiconductor and Storage. It features three binary address inputs (A0-A2) and eight active-low outputs (Y0-Y7). The device includes three enable inputs: two low-active (G1, G2A/G2B) and one high-active (G3), allowing for cascading applications. It operates with a supply voltage range of 1.65V to 3.6V, ensuring compatibility with various logic families. Key electrical characteristics include low static power consumption and high noise immunity.

Signal Switches, Multiplexers, Decoders Feature Summary

• High-speed operation suitable for portable battery-powered applications
• Low static power consumption due to CMOS technology
• Wide operating voltage range from 1.65V to 3.6V
• Active-low outputs with three-state capability via enable inputs

Signal Switches, Multiplexers, Decoders Applications

• Portable consumer electronics requiring low power consumption
• Battery-operated systems needing wide voltage tolerance
• Memory addressing in embedded systems
• Display driver circuits in mobile devices

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix EL indicates tape and reel packaging when ordering. Confirm the manufacturer designation matches Toshiba Semiconductor and Storage to ensure authenticity. Check datasheet revisions for any updates on recommended operating conditions or thermal information before finalizing procurement specifications.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing circuits that require decoding three-bit binary codes into one of eight active-low outputs. Ensure the system voltage falls within the 1.65V to 3.6V range. Consider the package type availability and lead time if using surface-mount configurations for compact designs.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the LCX series of low-voltage CMOS logic devices. It serves as a standard decoder/driver in digital logic design, replacing older LS or ALS equivalents with improved speed and lower power usage. The TC74LCX138 is widely used in modern electronic systems where miniaturization and energy efficiency are critical.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Compatible substitutes may include other 1-of-8 decoders from manufacturers like ON Semiconductor or NXP, provided they match the 1.65V-3.6V supply range and pinout configuration. Verify logical equivalence and electrical characteristics such as propagation delay and output drive current before substitution.