SN74AHC157DRG4

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC157DRG4 is an automotive-grade, quadruple 2-line to 1-line data selector/multiplexer from Texas Instruments. It belongs to the AHC logic family and operates within a supply voltage range of 2 V to 5.5 V. The device features four independent multiplexers with a propagation delay of 12 ns. It is housed in a 16-pin TSSOP package and supports surface-mount installation. The component functions across an extended temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Automotive qualification for reliable operation in vehicle environments
• High-speed signal routing with low propagation delay
• Wide operating voltage compatibility for diverse system power rails

Signal Switches, Multiplexers, Decoders Applications

• Automotive infotainment systems
• Instrument cluster signal selection
• Body control module data routing

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'Q1' or 'PWRQ1' against your bill of materials, as standard commercial variants lack automotive certification. Confirm the package type matches your PCB footprint requirements. Ensure the design accounts for the specified voltage limits to prevent device damage. Check for RoHS compliance documentation if required by your manufacturing standards.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when automotive reliability is mandatory alongside high-speed switching capabilities. The AHC technology offers lower power consumption compared to legacy HC series devices. Consider the TSSOP package constraints regarding thermal dissipation and board space. Verify that the input voltage levels are compatible with the driving logic sources in the target circuit design.

Signal Switches, Multiplexers, Decoders Part Context

This part is a member of the SN74AHC157 family, which includes various packaging options such as SOIC and TSSOP. The automotive grade designation indicates adherence to AEC-Q100 standards for durability. It serves as a direct functional replacement for non-automotive 74AHC157 devices where environmental robustness is critical for long-term deployment in vehicles.