74AC139FPEL-E

Signal Switches, Multiplexers, Decoders Overview

The 74AC139FPEL-E is a dual 2-to-4 line decoder/demultiplexer manufactured by Renesas Electronics. It belongs to the HD74AC series, which offers upward compatibility with the HD74HC series and provides more than double the high-speed operation performance. The device functions as a logic integrated circuit designed to convert binary inputs into specific decoded outputs or demultiplex signals across two independent channels.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual channel architecture supporting simultaneous 2-to-4 decoding operations
• High-speed logic performance exceeding standard HC series capabilities
• Upward compatible design ensuring integration with existing HC-based systems

Signal Switches, Multiplexers, Decoders Applications

• Binary address decoding in digital circuits
• Signal demultiplexing for data routing
• General-purpose logic control interfaces

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the exact suffix against official Renesas documentation to confirm package type and environmental compliance status. Ensure the component matches the specific HD74AC family designation rather than generic AC variants. Confirm availability through authorized distributors as stock levels fluctuate. Cross-reference the manufacturer part number with the latest datasheet revision to avoid obsolete sub-types.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent decoding channels are required within a single package. The AC series selection is appropriate for applications demanding higher switching speeds compared to HC equivalents while maintaining pin compatibility. Evaluate power supply requirements and input voltage thresholds against the system's logic levels before implementation.

Signal Switches, Multiplexers, Decoders Part Context

This part is part of the HD74AC series from Renesas, known for high-speed CMOS technology. It serves as a direct functional replacement for similar dual decoders in legacy designs. The series maintains backward compatibility with earlier logic families, facilitating upgrades in industrial and consumer electronics without major board redesigns.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for equivalent parts like the 74ACT139FPEL-E if active-low inputs are preferred. Verify pinout compatibility with 74HC139 variants for drop-in replacements where speed differences are acceptable.