SN74AHCT138QDRQ1

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT138QDRQ1 is an automotive-grade, 3-line to 8-line decoder and demultiplexer manufactured by Texas Instruments. It belongs to the SN74AHCT138-Q1 family and complies with AEC-Q100 standards for automotive applications. The device features a TSSOP-16 package and operates within a supply voltage range of 4.5 V to 5.5 V. It supports a wide operating temperature range from -40°C to +125°C. The component exhibits a typical propagation delay of 8.1 ns, ensuring high-speed performance suitable for memory decoding and data routing in demanding automotive environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Complies with AEC-Q100 qualification standards for automotive electronic components
• Provides high-speed decoding capabilities with minimal system latency
• Features three enable inputs for flexible control and power management

Signal Switches, Multiplexers, Decoders Applications

• High-performance automotive memory decoding systems
• Data routing in automotive electronic control units
• Address decoding for peripheral devices in vehicle networks

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify that the specific suffix QDRQ1 corresponds to the TSSOP-16 package variant when sourcing. Confirm that the component meets the required AEC-Q100 grade specifications for your target automotive application. Ensure compatibility with 5V logic levels as defined by the AHCT series characteristics before integration into the design.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing automotive systems requiring fast address decoding with strict timing constraints. The AHCT technology ensures compatibility with standard TTL logic levels while offering CMOS low-power advantages. Consider the TSSOP-16 package size if board space is limited but thermal performance at high temperatures is critical.

Signal Switches, Multiplexers, Decoders Part Context

This part is a member of the SN74AHCT138-Q1 family, which includes variants such as SN74AHCT138QPWRQ1. These devices are designed specifically for automotive use, distinguishing them from commercial counterparts through rigorous reliability testing and extended temperature ranges. The family provides consistent performance across different package options for various form factors.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHCT138QPWRQ1