74AHCT157PW,112

Signal Switches, Multiplexers, Decoders Overview

The 74AHCT157PW,112 is a quad 2-input multiplexer manufactured by Nexperia USA Inc. It operates within a supply voltage range of 4.5 V to 5.5 V and accepts TTL input levels. The device features balanced propagation delays and Schmitt-trigger action on all inputs. It is housed in a TSSOP16 plastic thin shrink small outline package (SOT403-1) with 16 leads and a body width of 4.4 mm. The component supports an ambient temperature range from -40 °C to +125 °C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Operates with TTL input levels for compatibility with standard logic families
• Includes Schmitt-trigger action on all inputs for noise immunity
• Features balanced propagation delays across data paths
• Provides multiple input enable options to facilitate circuit expansion

Signal Switches, Multiplexers, Decoders Applications

• Moving data between two groups of registers to four common output buses
• Memory chip select decoding
• Implementing highly irregular logic functions using two variables
• Function generation where one variable is common

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix matches the required package type and tape-and-reel specifications. Confirm that the TTL-compatible variant aligns with system voltage requirements. Ensure environmental ratings meet operational temperature constraints. Check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when TTL-level interface compatibility is required alongside high-speed CMOS performance. The TSSOP16 package offers space efficiency for surface-mount designs. Verify that the 4.5 V to 5.5 V supply range suits the target application environment. Consider the balanced propagation delay characteristics for timing-sensitive multiplexing tasks.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74AHC/AHCT157 family of quad 2-input multiplexers. It is pin-compatible with Low Power Schottky TTL (LSTTL) devices. The AHCT variant specifically bridges CMOS outputs with TTL inputs, ensuring interoperability in mixed-voltage systems while maintaining high-speed operation capabilities defined by JEDEC standards.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct substitutes include other manufacturers' 74AHCT157 equivalents in TSSOP16 packages. Verify pinout compatibility and electrical parameters such as propagation delay and supply voltage ranges before substitution.