SN74LS153MR1

Overview

The SN74LS153MR1 is a dual 4-line to 1-line data selector/multiplexer manufactured by onsemi. It integrates two independent multiplexers within a single package, each capable of selecting one of four data inputs based on binary address signals. The device features separate strobe (enable) inputs for each section, allowing for flexible cascading or individual control. It utilizes standard TTL logic levels and provides complementary decoding internally to drive the AND-OR-invert gates. This component is designed for applications requiring efficient data routing and parallel-to-serial conversion in digital systems.

Feature Summary

• Integrates two independent 4-input multiplexers in a single package
• Includes separate strobe inputs for individual section enable/disable control
• Provides internal binary decoding for direct address input compatibility
• Supports cascading configurations for expanded N-to-n line selection

Applications

• Data routing in digital communication systems
• Parallel-to-serial data conversion circuits
• Implementation of combinational logic functions
• Address decoding in memory systems

Procurement Notes

Verify the manufacturer marking matches onsemi specifications. Confirm the suffix MR1 indicates the correct tape-and-reel packaging variant if applicable. Ensure the device meets required operating temperature ranges for the intended application environment. Cross-reference the part number with official onsemi distributors to confirm authenticity and availability.

Selection Notes

Select this component when dual independent 4-to-1 multiplexing is required within a single footprint. Consider its TTL compatibility for legacy system integration. Evaluate power dissipation requirements against typical values provided in datasheets. Ensure voltage levels match system logic standards before implementation.

Part Context

This part belongs to the widely used 74LS series of logic integrated circuits, known for their low-power Schottky technology. The 74LS153 specifically addresses the need for multiple data selectors without consuming excessive board space. It serves as a fundamental building block in digital design, offering reliable performance for general-purpose logic applications across various industries.

Replacement Considerations

Compatible substitutes include SN74LS153 from Texas Instruments and MC74LS153 from onsemi. Verify pinout compatibility and electrical characteristics such as propagation delay and power consumption before substitution. Ensure the replacement part supports the same package type and operating conditions.