SN74HCS237QDRQ1

Overview

The SN74HCS237QDRQ1 is an automotive-grade high-speed CMOS logic device functioning as a 3-to-8 decoder/demultiplexer. It features three address inputs and eight active-low outputs, controlled by two enable inputs. The component operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a 16-pin SOIC package. It exhibits a propagation delay of 51 ns and functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• High-speed CMOS technology enabling efficient decoding operations within specified voltage limits
• Active-low output configuration providing direct interface capability for downstream logic circuits

Applications

• Address decoding in automotive electronic control units
• Signal routing and demultiplexing in vehicle communication networks
• Memory addressing systems in automotive infotainment modules

Procurement Notes

Verify the specific suffix QDRQ1 against the manufacturer's official datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure that the ordering documentation explicitly references the automotive grade designation and the correct pinout configuration for the 16-SOIC form factor prior to procurement.

Selection Notes

Select this component when designing automotive systems requiring robust 3-to-8 decoding capabilities under varying thermal conditions. The wide supply voltage tolerance allows flexibility in power distribution design. Confirm that the 51 ns propagation delay meets the timing requirements of the target application circuit without necessitating faster logic families.

Part Context

This device belongs to the Texas Instruments SN74HCS series, which provides high-speed CMOS performance tailored for automotive applications. The HCS family combines the speed advantages of advanced CMOS processes with the compatibility and ruggedness required for automotive electronics, ensuring stable operation across the specified industrial temperature range.

Replacement Considerations

Consult the official SN74HCS237 datasheet for confirmed substitute part numbers or equivalent devices within the same automotive logic family. Verify pin compatibility and electrical characteristics before considering any alternative components.