Microchip KSZ8091RNBCA, Ethernet Transceiver, 3.3 V 100 Mbps RMII, 32-Pin 3.3V QFN

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Subtotal (1 pack of 5 units)*

$16.82

(exc. GST)

$19.345

(inc. GST)

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  • Shipping from 23 July 2026
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Units
Per unit
Per Pack*
5 - 120$3.364$16.82
125 - 240$3.278$16.39
245 +$3.234$16.17

*price indicative

Packaging Options:
RS Stock No.:
177-3924
Mfr. Part No.:
KSZ8091RNBCA
Brand:
Microchip
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Brand

Microchip

Product Type

Ethernet Transceiver

Maximum Data Rate

100Mbps

Sub Type

PHY

Communication Mode

10Base-T, 100Base-TX

Interface Type

RMII

Standard Supported

IEEE 802.3

Mount Type

Surface Mount

Package Type

QFN

Pin Count

32

Maximum Supply Voltage

3.3V

Minimum Operating Temperature

0°C

Maximum Operating Temperature

70°C

Minimum Supply Voltage

3.3V

Standards/Approvals

Lead-Free

Width

4mm

Height

4mm

Length

4mm

Automotive Standard

No

Supply Current

47mA

COO (Country of Origin):
US
The KSZ8081 is a single-supply 10Base-T/100Base-TX Ethernet physical-layer transceiver for transmission and reception of data over standard CAT-5 unshielded twisted pair (UTP) cable.

Single-chip 10Base-T/100Base-TX Ethernet transceiver

MII Interface support (KSZ8081MNX)

RMII v1.2 Interface support with a 50MHz reference clock output to MAC, and an option to input a 50MHz reference clock (KSZ8081RNB)

RMII back-to-back mode support for a 100Mbps copper repeater

MDC/MDIO management Interface for PHY register configuration

Programmable interrupt output

LED outputs for link and activity status indication

On-chip termination resistors for the differential pairs

Baseline wander correction

HP Auto MDI/MDI-X to reliably detect and correct straight-through and crossover cable connections with disable and enable option

Auto-negotiation to automatically select the highest linkup speed

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