SN74AHC157RGYR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC157RGYR is a quad 2-line to 1-line data selector/multiplexer manufactured by Texas Instruments. It belongs to the AHC logic series and features CMOS input/output types with true and inverting polarities. The device operates within a supply voltage range of 2 V to 5.5 V and supports surface mount installation in a VQFN-14 package. It exhibits a propagation delay of 7 ns, with high-level output current of -8 mA and low-level output current of 8 mA. The component functions across an operating temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-to-1 multiplexing channels for data selection
• Supports wide supply voltage operation from 2 V to 5.5 V
• Features fast propagation delay characteristics suitable for high-speed applications
• Includes both true and inverting outputs for flexible logic interfacing

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital signal processing systems
• Address decoding and bus switching applications
• I/O expansion in microcontroller-based designs
• Signal path selection in communication interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix RGYR corresponds to the VQFN-14 package variant when sourcing. Confirm moisture sensitivity level requirements for reflow soldering profiles during assembly planning. Ensure the selected distributor provides official datasheets matching the SN74AHC157 family specifications. Cross-reference RoHS compliance status with current regulatory standards before finalizing procurement orders.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when requiring multiple independent 2-to-1 multiplexing functions in a compact surface-mount form factor. The AHC series offers improved speed over standard HC devices while maintaining compatibility with 5 V and lower voltage systems. Consider the VQFN-14 package for space-constrained PCB layouts. Verify that the 2 V to 5.5 V operating range aligns with the target system power supply rails.

Signal Switches, Multiplexers, Decoders Part Context

This part is part of the SN74AHC157 family of quad multiplexers. It shares functional similarities with other AHC series logic components but is distinct in its multiplexer configuration. The RGYR suffix indicates the specific tape-and-reel packaging and VQFN-14 footprint used for automated surface-mount assembly processes.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC157DR: SOIC-16 package variant with identical logical function. SN74AHC157DWR: Wider SOIC package option. SN74AHC157PW: TSSOP-16 alternative. Verify pinout compatibility and thermal performance differences when substituting packages.