TC74AC138FTEL

Overview

The TC74AC138FTEL is a CMOS logic integrated circuit manufactured by Toshiba Semiconductor and Storage, belonging to the AC logic series. It functions as a 3-to-8 line decoder/demultiplexer housed in a surface-mount package. The device operates within a supply voltage range of 2.0 V to 5.5 V. Key electrical specifications include a propagation delay of 5.9 ns and an output current capability of 24 mA. The component is designed for high-speed digital applications requiring low power consumption.

Feature Summary

• Implements 3-to-8 line decoding functionality using advanced CMOS technology.
• Provides high-speed signal processing with a propagation delay of 5.9 ns.
• Supports robust output drive capabilities with 24 mA current sourcing/sinking.
• Operates across a wide voltage range from 2.0 V to 5.5 V.

Applications

• Address decoding in microprocessor-based systems
• Data distribution in digital communication circuits
• Control logic in industrial automation equipment

Procurement Notes

Verify the complete part number including the suffix TEL against official Toshiba documentation to ensure correct packaging configuration. Confirm RoHS compliance status through the manufacturer's datasheet or certification documents prior to integration. Validate that the specified voltage and current parameters align with the target system design requirements.

Selection Notes

Select this component when a 3-to-8 decoder is required with AC-series speed characteristics. Ensure the operating voltage falls within the 2.0 V to 5.5 V range. Consider the 24 mA output drive strength for load requirements. Verify compatibility with the TSSOP-16B package dimensions for PCB layout.

Part Context

This decoder is part of Toshiba's TC74AC family of advanced high-speed CMOS logic devices. The AC series offers performance comparable to Bipolar Schottky TTL while maintaining CMOS low power dissipation. The specific model utilizes silicon gate and double-layer metal wiring CMOS technology for enhanced switching speeds.

Replacement Considerations

Consult official Toshiba substitution guides for verified equivalents. Cross-reference with other 3-to-8 decoders from the same manufacturer ensuring identical pinout and electrical specifications.