Microchip 24-Pin QFN Ethernet Transceiver, IEEE 802.3 Compliant, 3.3 V, 100 Mbps KSZ8091RNAIA-TR

Microchip KSZ8091RNAIA-TR is a high-performance 24-pin QFN Ethernet transceiver designed to support 10Base-T and 100Base-TX Ethernet communication over standard CAT-5 unshielded twisted pair cables. Operating at a fixed supply voltage of 3.3 V, this device adheres to the IEEE 802.3 standard, delivering a maximum data rate of 100 Mbps.

This highly integrated physical-layer (PHY) solution incorporates on-chip termination resistors to optimize signal integrity and reduce the overall printed circuit board cost and complexity. It features a built-in low-noise 1.2 V regulator to power the core logic and supports multiple digital I/O voltages including 1.8 V, 2.5 V, and 3.3 V, providing flexible interface options with various controllers and processors.

The KSZ8091RNAIA-TR includes power management features such as power-down and power-saving modes to reduce energy consumption in idle states. It also supports Wake-on-LAN functionality triggered by magic packets, link status changes, or robust custom packet detection, facilitating remote waking in networking applications.

Encased in a compact 4 mm by 4 mm by 1 mm QFN package with 24 pins, the transceiver is ideal for space-constrained embedded applications in industrial, automation, and communication equipment domains. The device operates with a typical supply current of 47 mA, ensuring reliable and efficient performance.

Single-chip 10Base-T/100Base-TX Ethernet transceiver compliant with IEEE 802.3 standards. Integrated on-chip termination resistors for differential pairs enhance signal quality. Built-in 1.2 V regulator provides stable core supply voltage.

Power-down and power-saving modes improve energy efficiency. Wake-on-LAN supported via multiple detection methods. Supports flexible digital I/O voltages of 1.8/2.5/3.3 V. Compact 24-pin QFN package (4 mm x 4 mm x 1 mm) suits embedded designs.

Supply current of 47 mA supports stable operation.

This Ethernet transceiver is widely applicable for industrial automation, networking devices, and embedded systems requiring robust and efficient Ethernet connectivity. Microchip products ensure quality and reliability for professional electronic solutions.

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