74ACT157SCX

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74ACT157SCX is a high-speed quad 2-input multiplexer housed in a 16-lead SOIC package. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature from -40°C to +85°C. The device features TTL-compatible inputs, outputs capable of sourcing or sinking 24 mA, and reduced quiescent current. Propagation delays are specified up to 11.5 ns at 5.0 V with a 50 pF load.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-input multiplexing functionality with common select and enable controls
• TTL-compatible input thresholds for direct interfacing
• High drive capability with 24 mA output source/sink current

Signal Switches, Multiplexers, Decoders Applications

• Moving data between two groups of registers to common buses
• Function generation implementing gating logic
• Selecting four bits of data from two sources

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'X' confirms tape and reel packaging availability. Confirm that the component meets RoHS requirements as indicated in manufacturer documentation. Ensure the selected package variant matches the required PCB footprint specifications for surface mount integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Choose this component when a quad 2-input multiplexer with TTL-compatible inputs is required. The ACT series offers lower power consumption compared to standard AC variants while maintaining high-speed performance suitable for digital signal routing applications requiring precise data selection control.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74ACT logic family, designed for high-speed CMOS applications. It serves as a functional equivalent to other quad multiplexers in the industry, providing reliable data path switching capabilities for digital systems operating at standard 5V logic levels.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check datasheets for compatible parts such as MC74ACT157 or SN74ACT157. Verify pinout compatibility and electrical characteristics match before substitution.