1894KI-34LFT

Overview

The Renesas Electronics Corporation 1894KI-34LFT 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 package with exposed pads. The device operates within a supply voltage range of 3.14V to 3.47V and supports an industrial operating temperature range from -40°C to 85°C. This component integrates the necessary physical layer functions for reliable Ethernet connectivity.

Feature Summary

• Supports Category 5 cables and above with attenuation exceeding 24dB at 100 MHz
• Single-chip fully integrated PHY providing PCS and PMA functions
• Low-power physical-layer device supporting ISO/IEC 10Base-T and 100Base-TX standards

Applications

• 10/100 Base-T/TX network applications
• Industrial Ethernet connectivity systems
• Embedded network interface designs requiring low power consumption

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance and MSL level 3 handling requirements during storage and assembly. Check for recent PCN updates regarding assembly site changes or label modifications before procurement planning.

Selection Notes

Select this component for designs requiring a parallel interface PHY in a compact 32-QFN footprint. Ensure system voltage regulation stays within the 3.14V to 3.47V range. Consider thermal management capabilities given the industrial temperature specification of -40°C to 85°C for robust operation.

Part Context

Part of the 1894KI series, this controller integrates physical layer functions for Ethernet networks. It serves as a key component in network interface cards and embedded systems requiring reliable 10/100 Mbps connectivity with support for standard twisted-pair cabling infrastructure.

Replacement Considerations

ICS1894K-33LFT is a related variant within the same family offering similar functionality in a different package configuration.