MC74LVX139DR2G

Signal Switches, Multiplexers, Decoders Overview

The MC74LVX139DR2G is a dual 2-to-4 decoder/demultiplexer manufactured by onsemi, belonging to the 74LVX logic series. It operates within a supply voltage range of 2.0 V to 3.6 V and features an SOIC-16 surface-mount package. The device contains two independent decoding circuits, each utilizing two address inputs to select one of four active-low outputs. Designed for high-speed CMOS applications, it supports operation across an extended temperature range from -55°C to +125°C, ensuring reliable performance in demanding electronic environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 2-to-4 decoding circuits integrated into a single package
• Active-low output selection driven by two binary address inputs per circuit
• High-speed CMOS construction enabling fast signal propagation
• Extended industrial temperature rating for robust environmental stability

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in memory systems
• Signal routing in data acquisition networks
• Control logic in embedded microcontroller interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix DR2G corresponds to the SOIC-16 tape-and-reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure input voltage levels remain within the specified 2.0 V to 3.6 V operational window to prevent functional degradation or latch-up conditions during system deployment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding paths are required within a compact surface-mount footprint. The LVX series offers compatibility with both 3.3 V and 5 V tolerant interfaces, facilitating mixed-voltage system designs. Consider the extended temperature range if the application environment exceeds standard commercial limits. Verify pinout compatibility against existing PCB layouts before finalizing the design.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LVX family of high-speed CMOS logic devices, which bridge the performance gap between standard HC and HCT series. The 74LVX139 specifically provides dual decoding functionality, contrasting with single-decoder variants like the 74LVX138. It shares architectural similarities with other LVX decoders but distinguishes itself through its specific 2-to-4 output configuration and low-voltage optimization.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct substitutes include MC74LVX139DTR2G. Cross-brand equivalents such as NXP 74LVX139 or TI SN74LVX139 may offer functional parity, provided pinouts and electrical characteristics align with the original design requirements.