CD74FCT157ATM

Signal Switches, Multiplexers, Decoders Overview

The CD74FCT157ATM is a FAST CMOS quad 2-input multiplexer manufactured by Harris Corporation. It features four independent 2:1 data selectors in a 16-pin SOIC package. The device operates on a single supply voltage and provides true output polarity with three-state outputs. It is designed for high-speed digital signal routing applications within the FCT logic series.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad configuration providing four independent 2-to-1 multiplexing channels
• FAST CMOS technology enabling high-speed data selection
• Three-state output capability for bus-oriented systems

Signal Switches, Multiplexers, Decoders Applications

• Digital data routing in communication systems
• Address decoding and selection circuits
• Microprocessor system data path switching

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify manufacturer authenticity as Harris Corporation assets were acquired. Confirm RoHS compliance status as original documentation may indicate non-compliance. Check for obsolescence or lifecycle changes due to corporate restructuring. Ensure package marking matches official datasheet specifications for quality assurance.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when four independent 2:1 mux functions are required in a compact surface-mount package. Compare propagation delay and drive current against other FCT series alternatives. Ensure voltage supply requirements match the system design constraints for reliable operation.

Signal Switches, Multiplexers, Decoders Part Context

Part of the Harris FCT (FAST CMOS) logic family, bridging TTL compatibility with CMOS low power consumption. This series was widely used in high-performance digital designs before industry consolidation. The CD74FCT157ATM specifically addresses multi-channel data selection needs in legacy and industrial electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Consider CY74FCT157CTD from Texas Instruments as a functional equivalent. Verify pinout compatibility and electrical characteristics before substitution. Other FCT series multiplexers may require circuit adjustments if input/output specifications differ significantly.