DM74ALS541SJX

Overview

The DM74ALS541SJX is an octal buffer and line driver manufactured by Fairchild Semiconductor. It features non-inverting logic with three-state outputs, housed in a 20-SOIC package. The device operates within a voltage range of 4.5V to 5.5V. It provides high-level output current of -15mA and low-level output current of 48mA. The quiescent current is specified at 15mA. Operating temperature ranges from 0°C to +70°C.

Feature Summary

• Octal buffer and line driver configuration
• Non-inverting logic function
• Three-state output capability

Applications

• Digital logic buffering
• Line driving applications
• Data bus isolation

Procurement Notes

Verify the manufacturer designation as Fairchild Semiconductor or its successor entities. Confirm the SOIC-20 package variant matches project requirements. Ensure operating voltage constraints align with system power supplies. Check for RoHS compliance status if required by assembly specifications.

Selection Notes

Select this component for applications requiring octal buffering with high drive capability. The ALS series offers faster switching than standard TTL. Verify that the 5V supply voltage matches the target circuit design. Consider the through-hole or surface-mount packaging options available for the specific board layout needs.

Part Context

This part belongs to the 74ALS logic family, known for advanced low-power Schottky technology. It serves as a digital interface component between microprocessors and peripheral devices. The octal configuration allows simultaneous handling of eight data lines. It is commonly used in memory systems and I/O expansion circuits.

Replacement Considerations

Equivalent parts include SN74ALS541N from Texas Instruments. Other compatible variants may be found within the 74ALS541 family from different manufacturers. Ensure pin compatibility and electrical specifications match before substitution.