74LVC257APW-Q100J

Signal Switches, Multiplexers, Decoders Overview

The Nexperia 74LVC257APW-Q100J is a quad 2-input multiplexer with 3-state outputs, qualified to AEC-Q100 Grade 1. It operates on a supply voltage range of 1.2 V to 3.6 V and features overvoltage tolerant inputs/outputs up to 5.5 V. Propagation delay ranges from 1.0 ns to 8.0 ns depending on voltage. The device supports Schmitt-trigger inputs and IOFF circuitry for partial power-down applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Automotive qualification in accordance with AEC-Q100 (Grade 1)
• Overvoltage tolerant inputs and outputs up to 5.5 V
• IOFF circuitry provides partial Power-down mode operation

Signal Switches, Multiplexers, Decoders Applications

• Mixed 3.3 V and 5 V environments
• Automotive applications
• Partial power down applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix Q100J corresponds to the automotive grade and TSSOP-16 package configuration. Confirm that the ordering information matches the required temperature range of -40 °C to +125 °C. Ensure compatibility with the SOT403-1 package outline dimensions during PCB layout planning.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when automotive reliability and 5 V tolerance are required within a low-voltage logic family. The wide operating temperature range supports harsh environments. Verify that the 3-state output control meets system bus requirements. Check input transition rates against the specified limits for reliable switching performance.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LVC257A-Q100 series, designed for high-speed digital signal routing. It integrates four independent multiplexers into a single package. The LVC series offers CMOS low-power consumption while maintaining direct interface capabilities with TTL levels.

Signal Switches, Multiplexers, Decoders Replacement Considerations

MC74LCX257DTG

Signal Switches, Multiplexers, Decoders FAQ

What is the function of the IOFF circuitry?

The IOFF circuitry disables the output, preventing potentially damaging backflow current through the device when it is powered down.

Can this device be used as a translator?

Yes, inputs can be driven from either 3.3 V or 5 V devices, allowing use as translators in mixed 3.3 V and 5 V environments.