74AHCT257PW,112

Signal Switches, Multiplexers, Decoders Overview

The Nexperia 74AHCT257PW,112 is a quad 2-input multiplexer with 3-state outputs in a TSSOP16 package. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL input levels. The device includes overvoltage tolerant inputs up to 5.5 V, Schmitt-trigger actions on all inputs, and balanced propagation delays. It supports an ambient temperature range from -40 °C to +125 °C and provides high noise immunity with CMOS low power dissipation.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-input multiplexer with non-inverting data path and 3-state outputs
• TTL input switching levels with overvoltage tolerance up to 5.5 V
• Schmitt-trigger action on all inputs for improved noise immunity
• Balanced propagation delays across all channels

Signal Switches, Multiplexers, Decoders Applications

• Mixed voltage environment signal routing
• Data selection in digital logic systems
• Bus interface translation between TTL and CMOS domains

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the ordering suffix matches the required package variant. Confirm the specific logic family designation aligns with system voltage requirements. Check the most recent datasheet revision for any updates to electrical characteristics or pin configurations before finalizing design integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when TTL-compatible inputs are required alongside 3-state output control. Ensure the operating voltage remains within the specified 4.5 V to 5.5 V range. Consider the TSSOP16 package constraints for thermal management and PCB layout space relative to alternative SOIC packages.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Nexperia 74AHC/AHCT257 series of quad multiplexers. It shares functional similarities with other members of the family but differs in input logic levels and supply voltage specifications. The PW suffix indicates the TSSOP16 plastic thin shrink small outline package variant.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct substitutes include the 74AHCT257D,118 for SOIC-16 packaging. Verify pin compatibility and electrical parameters against the original specification sheet before substitution.