DM74AS258MX

Overview

The DM74AS258MX is an advanced Schottky (AS) logic device manufactured by Fairchild Semiconductor, functioning as an 8-input digital multiplexer. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The component is housed in a surface-mount 16-SOIC package.

Feature Summary

• Provides high-speed data selection capabilities using advanced Schottky technology.

Applications

• Digital signal routing
• Data selector circuits

Procurement Notes

Verify the current manufacturing status with the supplier, as documentation indicates this part may be discontinued by Fairchild Semiconductor. Confirm that the specific 16-SOIC package variant matches your board design requirements before finalizing procurement orders.

Selection Notes

Select this component for applications requiring 8-to-1 digital multiplexing within standard TTL voltage levels. Ensure the design accommodates the specified commercial temperature range and surface-mount footprint constraints associated with the SOIC-16 package.

Part Context

This device belongs to the 74AS series of logic integrated circuits, known for improved speed over standard variants. It serves as a signal switch or multiplexer within digital logic families, facilitating efficient data path management in electronic systems.

Replacement Considerations

Consult official substitution lists from onsemi or Fairchild Semiconductor for verified equivalents, as the original manufacturer has indicated discontinuation of this specific part number.