1894KI-34LF

Overview

The 1894KI-34LF is an Ethernet Physical Layer Controller designed for 10/100 Base-T/TX network applications. It features a parallel interface and is housed in a 32-QFN (5x5) package. The device supports Category 5 cables and above with attenuation exceeding 24dB at 100 MHz. It operates within a temperature range of -40°C to 85°C and utilizes a single-chip, fully integrated PHY architecture providing PCS and PMA functions.

Feature Summary

• Single-chip fully integrated PHY architecture
• Supports Category 5 cables and above
• Parallel interface connectivity

Applications

• 10/100 Base-T/TX network applications
• Ethernet physical layer implementation
• Industrial networking equipment

Procurement Notes

Verify component authenticity through authorized Renesas distributors or certified channels. Confirm the specific package variant matches design requirements. Check for any product change notices related to assembly sites or labeling updates. Ensure compliance with RoHS3 specifications for environmental standards. Validate lead times as availability may vary by region.

Selection Notes

Select this controller for designs requiring a compact 32-QFN footprint with parallel interface capabilities. Consider the extended industrial temperature range for harsh environments. Evaluate cable attenuation support for long-distance transmission needs. Compare against other 1894KI series variants for pinout and package compatibility.

Part Context

Part of the 1894KI series from Renesas Electronics, focusing on Ethernet PHY solutions. This model specifically targets 10/100 Base-T/TX standards. It integrates physical layer signaling functions into a single chip. The series is known for supporting standard Ethernet cabling infrastructure.

Replacement Considerations

Check for direct substitutes within the 1894KI family such as 1894KI-32LF or 1894KI-40LFT. Verify package compatibility and pin assignments before substitution. Review datasheets for functional equivalence in parallel interface operation.