SN74AHCT157DBR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT157DBR is a quad data selector manufactured by Texas Instruments, belonging to the AHC logic family. It features four independent 2-line to 1-line selectors housed in a 16-pin TSSOP package. The device operates with a supply voltage range of 2 V to 5.5 V and supports through-hole or surface-mount installation styles. Key electrical parameters include a propagation delay of 7.5 ns and a power dissipation rating of 1.7 W. It functions within an operating temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Integrates four independent 2-to-1 data selectors for parallel signal routing
• Utilizes Texas Instruments' advanced high-speed CMOS technology for efficient operation
• Provides flexible mounting options via standard surface-mount packaging

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital communication systems
• Signal selection in microprocessor-based control circuits
• Address decoding in memory interface designs

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'DBR' corresponds to the TSSOP-16 package and reel quantity requirements. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the ordering part number matches the exact voltage and speed specifications required for your circuit design before finalizing procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring multiple independent data paths with low power consumption. The AHCT series ensures compatibility with standard TTL logic levels while offering improved switching speeds compared to legacy counterparts. Consider the thermal performance and package size constraints during PCB layout planning.

Signal Switches, Multiplexers, Decoders Part Context

This component is part of the broader SN74AHC157 family of multiplexers. Variants within this family differ primarily in packaging types such as PDIP or SOIC, and operational qualifications like automotive standards. The DBR designation specifically identifies the surface-mount variant intended for automated assembly processes.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Compatible substitutes include the SN74AHC157DGVR and SN74AHC157N. Verify pinout compatibility and electrical characteristics match before substitution. Automotive-grade alternatives like the SN74AHC157QPWRQ1 offer enhanced reliability but may require different qualification checks.