SN74HCS137QDRQ1

Overview

The SN74HCS137QDRQ1 is an automotive-grade 3-to-8 line decoder and demultiplexer from Texas Instruments, belonging to the HCS logic series. It features a SOIC-16 surface-mount package with three inputs and eight outputs. The device operates within a supply voltage range of 2 V to 6 V and supports a propagation delay of 51 ns. It is qualified under AEC-Q100 standards for automotive applications, ensuring reliability in harsh environments. The component functions effectively across an extended temperature range from -40°C to +125°C, making it suitable for demanding industrial and automotive electronic systems requiring robust decoding capabilities.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for enhanced reliability
• High-speed CMOS technology enabling efficient signal decoding and demultiplexing
• Wide operating voltage range supporting flexible power supply integration
• Extended temperature rating suitable for severe environmental conditions

Applications

• Automotive body control modules
• Infotainment system address decoding
• Industrial sensor interface circuits
• General-purpose digital logic decoding

Procurement Notes

Verify the specific suffix QDRQ1 matches the required SOIC-16 package and automotive grade. Confirm AEC-Q100 qualification status aligns with project reliability requirements. Check RoHS compliance documentation for regulatory adherence. Ensure the datasheet revision corresponds to the latest technical specifications before finalizing procurement orders.

Selection Notes

Select this component when automotive certification and wide voltage operation are critical. Compare propagation delay characteristics against timing constraints in the target circuit. Evaluate pin compatibility if replacing legacy decoders in existing designs. Consider thermal performance within the specified operating temperature range during PCB layout planning.

Part Context

This part belongs to the SN74HCS family of high-speed CMOS logic devices designed for automotive applications. It serves as a specialized decoder within Texas Instruments' broader portfolio of logic ICs. The HCS series emphasizes low power consumption and high noise immunity compared to standard HC logic families.

Replacement Considerations

SN74HCS137QPWRQ1 offers identical functionality in a TSSOP-16 package.