TC74LCX157FT(EL)

Signal Switches, Multiplexers, Decoders Overview

The TC74LCX157FT(EL) is a high-performance CMOS digital integrated circuit functioning as a quad 2-input multiplexer. It operates within a supply voltage range of 2.0 V to 3.6 V, designed for low-voltage applications while maintaining CMOS low power dissipation. The device features high-speed operation with a propagation delay of 5.8 ns maximum at VCC = 3.0 to 3.6 V. It provides an output current capability of 24 mA minimum (IOH/IOL) at VCC = 3.0 V and includes input clamp current specifications of -500 mA. The component is compatible with 5 V supply environments for input interfacing.

Signal Switches, Multiplexers, Decoders Feature Summary

• High-speed data routing with minimal propagation delay in low-voltage systems
• Low power consumption characteristic inherent to CMOS technology
• Robust output drive capability suitable for direct interface applications
• Integrated static discharge protection circuits on all inputs

Signal Switches, Multiplexers, Decoders Applications

• Data selection in 3.3 V system architectures
• Signal routing between multiple sources and single destinations
• Interface bridging between low-voltage logic and 5 V supply environments

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix corresponds to the required tape and reel packaging configuration. Confirm that the procurement channel is an authorized distributor to ensure component authenticity. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure the package type matches the PCB footprint requirements during the sourcing phase.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring quad multiplexing functionality under low voltage constraints. It is appropriate for applications needing fast switching speeds alongside low power profiles. Consider its compatibility with standard 74 series pinouts if replacing legacy discrete solutions. Evaluate the 24 mA output drive against load requirements to ensure signal integrity without external buffering.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to Toshiba's LCX series of low-voltage CMOS logic devices. The series is engineered to provide performance improvements over older HC/HCT families while reducing power consumption. It serves as a modern replacement for legacy multiplexer designs in portable and battery-operated electronics where voltage efficiency is critical.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for functional equivalents within the same LCX family or compatible AC/VHC series parts from other manufacturers. Verify pinout compatibility to avoid PCB redesigns. Ensure voltage tolerance levels match the target system's operating conditions.