MC74LVX257DTR2

Signal Switches, Multiplexers, Decoders Overview

The MC74LVX257DTR2 is a quad 2-channel multiplexer with 3-state outputs fabricated using advanced high-speed silicon gate CMOS technology. It features four independent 2-input digital multiplexers sharing common select (S) and output enable (OE) inputs. The device operates within a voltage range of 2.0 V to 3.6 V, with input voltages tolerating up to 7.0 V for interfacing with 5.0 V systems. Propagation delay is typically 4.5 ns at 3.3 V. It includes power-down protection on inputs and balanced propagation delays.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-to-1 multiplexing channels with shared control signals
• Features 3-state outputs controlled by an active-low enable input
• Inputs tolerate 7.0 V, enabling direct interface between 5.0 V and 3.0 V logic systems
• Includes power-down protection circuitry on all inputs

Signal Switches, Multiplexers, Decoders Applications

• Data routing in portable battery-powered equipment
• Signal selection in communication systems
• Bus-oriented switching applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package suffix matches the required form factor, as the MC74LVX257 series is available in SOIC-16, TSSOP-16, and SOEIAJ-16 configurations. Confirm RoHS compliance status if lead-free materials are mandatory for the assembly process. Ensure the ordering quantity aligns with the manufacturer's standard shipping units for the selected tape and reel or tube packaging option.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing circuits requiring multiple independent data paths with low power consumption. The LVX series is suitable for applications needing operation down to 2.0 V. Verify that the 7.0 V input tolerance meets the requirements for interfacing with higher voltage logic levels without additional level shifting components.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the MC74LVX family of high-speed CMOS logic devices manufactured by onsemi. The LVX series is designed for low-voltage applications while maintaining compatibility with standard logic families. The MC74LVX257 specifically addresses multiplexing needs in compact surface-mount designs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

MC74LVX257DTG

Signal Switches, Multiplexers, Decoders FAQ

How does the OE pin affect the outputs?

When the Output Enable (OE) pin is held High, the selection of data is inhibited, and all outputs enter a high-impedance state.

What is the maximum input voltage tolerance?

The inputs can tolerate voltages up to 7.0 V, allowing safe interfacing with 5.0 V systems even when the device is powered at lower voltages.