74AC11257PWRG4

Signal Switches, Multiplexers, Decoders Overview

The Texas Instruments SN74AC11257PWRG4 is a quad 2-to-1 data selector/multiplexer with three-state outputs, belonging to the AC logic family. It operates within a supply voltage range of 3 V to 5.5 V and features a propagation delay of 6.5 ns. The device supports four independent circuits in a TSSOP-20 surface-mount package, functioning across an industrial temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent high-speed 2-to-1 multiplexing channels for digital signal routing
• Integrates three-state outputs to facilitate bus-oriented memory and clock circuit designs
• Utilizes silicon-gate CMOS technology to ensure low power consumption and high noise immunity

Signal Switches, Multiplexers, Decoders Applications

• Bus-oriented memory systems requiring data selection
• Clock distribution networks utilizing tri-state control
• Digital signal routing in telecommunications equipment

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's current documentation to confirm compliance status and revision history. Ensure the ordering part number matches the required tape-and-reel packaging format for automated assembly processes. Cross-reference the RoHS directive details provided in the official datasheet to meet environmental regulatory requirements for your specific manufacturing region.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems that require multiple independent data paths with high switching speeds. The AC series offers superior performance compared to standard HC logic while maintaining compatible pinouts. Verify that the 3 V to 5.5 V operating range aligns with your system's power supply rails and that the TSSOP-20 footprint fits your PCB layout constraints.

Signal Switches, Multiplexers, Decoders Part Context

This device is part of the broader 74AC11257 family, which includes variants such as the PW (TSSOP) and DW (SOIC) packages. The PWRG4 designation specifically indicates a tape-and-reel configuration in a TSSOP-20 package, optimized for high-volume surface-mount production lines. It serves as a high-speed alternative to legacy multiplexer solutions in modern digital electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct functional equivalents include the 74AC11257PW and 74AC11257DW, differing primarily in package style. For lead-free or updated revision requirements, verify compatibility with the 74AC11257PWRE4 variant.