74F157ASCX

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74F157ASCX is a high-speed quad 2-input multiplexer housed in a 16-lead Small Outline Integrated Circuit (SOIC) package. It operates within a supply voltage range of +4.5V to +5.5V and supports an ambient temperature range of 0°C to +70°C. The device features four independent data paths controlled by common Select and Enable inputs, providing non-inverted outputs. Propagation delays from the Select input to output range from 3.0ns to 11.0ns depending on load conditions.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-to-1 data selection channels with common control inputs
• Outputs present selected data in true non-inverted form
• Capable of generating any four of sixteen functions of two variables

Signal Switches, Multiplexers, Decoders Applications

• Moving data between two groups of registers to common output buses
• Implementing highly irregular logic as a function generator
• High-speed digital signal routing applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity against manufacturer specifications. Confirm the SOIC-16 package type matches design requirements. Ensure operating conditions remain within the specified +4.5V to +5.5V supply voltage and 0°C to +70°C temperature limits for reliable performance.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a high-speed quad multiplexer is required for standard 5V logic systems. The 74F series offers faster switching speeds compared to standard 74LS equivalents. Verify that the 16-lead SOIC footprint aligns with existing PCB layout constraints and thermal management strategies.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74F logic family, known for high-speed operation in standard TTL-compatible environments. The 'A' suffix indicates an improved version of the original F157, while 'SCX' specifies the surface-mount SOIC package with tape-and-reel delivery. It serves as a direct functional replacement for legacy through-hole DIP versions in modern surface-mount designs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74F157ANSR by Texas Instruments is listed as a parameter equivalent substitute.