DM74ALS151N

Overview

The DM74ALS151N is a 1-of-8 line data selector/multiplexer manufactured by onsemi. It features full on-chip decoding to select one of eight data sources based on a three-bit binary code at the Select inputs (C, B, A). The device provides two complementary outputs: Y (inverting) and W (non-inverting). A Strobe input disables all data inputs when high, forcing Y low and W high. It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature range of 0°C to +70°C. Propagation delays from Select to Y range from 4ns to 18ns.

Feature Summary

• Contains full on-chip decoding for selecting one of eight data sources using a unique three-bit binary code.
• Provides both inverting (Y) and non-inverting (W) buffer outputs for versatile logic integration.
• Includes internal overlap features in Select input buffers to prevent invalid output transients during input changes.
• Features a Strobe input that disables data inputs and forces specific output states when activated.

Applications

• Data routing in microprocessor systems
• Asynchronous bidirectional data buses
• Memory address decoding

Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm package integrity and pin alignment against the 16-Lead PDIP specification. Check datasheet revisions for any updates to electrical characteristics or ordering information before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring reliable 1-of-8 data selection with complementary outputs. Ensure the design accommodates the 4.5V to 5.5V supply voltage range. Consider the propagation delay specifications when designing for high-speed signal paths. Verify compatibility with existing logic families if interfacing with other components.

Part Context

This part belongs to the 74ALS series of logic integrated circuits, known for advanced low-power Schottky technology. It is functionally compatible with the LS family counterpart while offering improved switching performance. The device is designed for use in memory and microprocessor systems where efficient data selection is required.

Replacement Considerations

SN74ALS151N Texas Instruments