74AC11257PWLE

Signal Switches, Multiplexers, Decoders Overview

The Texas Instruments 74AC11257PWLE is a quad 2-to-1 data selector/multiplexer featuring three-state outputs, housed in a PWLE package. It operates within a supply voltage range of 3 V to 5.5 V and supports a propagation delay of 6.5 ns. The device functions across an industrial temperature range from -40°C to +85°C. Designed for bus-organized systems, it multiplexes signals from four-bit data sources to four output lines, providing efficient signal routing with low power consumption typical of the AC logic series.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-to-1 data selection channels for bus-organized systems
• Features three-state outputs to facilitate direct connection to system buses without external drivers
• Operates reliably across a wide industrial temperature range and standard voltage supplies

Signal Switches, Multiplexers, Decoders Applications

• Bus-oriented data routing in computer systems
• Signal selection in embedded control architectures
• Data path switching in communication interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific PWLE package designation against the manufacturer's official datasheet to ensure mechanical compatibility. Confirm that the three-state output requirements align with the target circuit design. Check for any recent product change notifications regarding pinout or electrical characteristics before finalizing procurement specifications.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when multiple 4-bit data sources require selective routing to shared outputs in a bus structure. Ensure the operating voltage remains within the 3 V to 5.5 V range. Consider the propagation delay and package thermal properties relative to the system's timing constraints and physical layout requirements.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74AC11257 family of high-speed CMOS logic devices. It serves as a specialized multiplexer solution for digital systems requiring compact, multi-channel signal selection. The AC series offers improved speed and power efficiency compared to older logic families, making it suitable for modern digital designs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Consult the official datasheet for confirmed substitute part numbers. Verify pinout and electrical parameter compatibility before substituting with other quad multiplexers.