# KSZ8863RLL (Component)
## Description
Microchip KSZ8863RLL, 3-Port Ethernet Switch, MII/RMII, 10 Mbps, 100 Mbps 1.8 V, 3.3 V, 48-Pin LQFP
Microchip KSZ8863/KSZ8873 Family – integrated 3-port 10/100 Mbps managed Ethernet switch with built-in PHYs, designed for embedded networking, industrial communication, IoT gateways, automation systems, VoIP devices, and broadband equipment. Features VLAN support, QoS prioritization, IGMP snooping, Rapid Spanning Tree Protocol (RSTP), port mirroring, cable diagnostics, MII/RMII interfaces, SPI/I²C management, MAC filtering, and low-power operation. Provides store-and-forward switching architecture with advanced traffic management and network monitoring capabilities.
Search Keywords:
KSZ8863, KSZ8873, Microchip Ethernet Switch, 3 Port Ethernet Switch, Managed Ethernet Switch, 10/100 Ethernet Switch IC, Embedded Ethernet Switch, Industrial Ethernet Controller, Integrated PHY Ethernet Switch, RMII Ethernet Switch, MII Ethernet Interface, VLAN Ethernet Switch, QoS Ethernet Switch, IGMP Snooping Switch, Network Processor Interface, Industrial Networking IC, IoT Gateway Ethernet, VoIP Ethernet Controller, Managed LAN Switch, Fast Ethernet Switch
Hashtags:
#KSZ8863
#KSZ8873
#Microchip
#EthernetSwitch
#ManagedSwitch
#FastEthernet
#IndustrialEthernet
#EmbeddedNetworking
#IntegratedPHY
#RMII
#MII
#VLAN
#QoS
#IGMPSnooping
#IndustrialAutomation
#IoTGateway
#NetworkController
#ElectronicsDesign
#PCBDesign
#EmbeddedSystems
## Component Details
- **Owner:** cherepanyadima
- **Created:** 6/20/2026
- **Last Updated:** 6/20/2026
- **Visibility:** Public
- **Manufacturer Part Number:** KSZ8863RLL
- **Part Type:** Ethernet
- **Symbol Style:** parametric-v1
- **Manufacturer Name:** Microchip
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/4f45dd0a13796fed736423fe67ecd9097a70471af9df1d6efccb5ef5ee8679c0.pdf
- **Package or Case Code:** 100-LQFP
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ksz8863rll/microchip-technology.html?utm_currency=USD®ion=nac) | $5.903 | 344 |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/KSZ8863RLL/2174891) | $5.93 | 620 |
| [LCSC](https://www.lcsc.com/product-detail/C80930.html) | $5.0971 | 352 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Microchip-Technology/KSZ8863RLL?qs=kh6iOki%2FeLEjoJhsBne53A%3D%3D) | $5.93 | 27K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=KSZ8863RLL) | $5.59 | 250 |
| [Verical](https://www.verical.com/pd/microchip-technology-ethernet-switch-KSZ8863RLL-224481?utm_currency=USD) | $5.9483 | 95 |
- **Part Type:** Other
- **Manufacturer:** Microchip
- **MPN:** KSZ8863RLL
- **Mount Type:** PCB
- **Package / Case Code:** 100-LQFP
- **Pin Count:** 48
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | RXM1 | |
| 2 | RXP1 | |
| 3 | TXM1 | |
| 4 | TXP1 | |
| 5 | VDDA_3.3 | |
| 6 | ISET | |
| 7 | VDDA_1.8 | |
| 8 | RXM2 | |
| 9 | RXP2 | |
| 10 | AGND | |
| 11 | TXM2 | |
| 12 | TXP2 | |
| 13 | NC | |
| 14 | X1 | |
| 15 | X2 | |
| 16 | SMTXEN3 | |
| 17 | SMTXD33/EN_REFCLKO_3 | |
| 18 | SMTXD32 | |
| 19 | SMTXD31 | |
| 20 | SMTXD30 | |
| 21 | GND_1 | |
| 22 | VDDIO_1 | |
| 23 | SMTXC3/REFCLKI_3 | |
| 24 | SMTXER3/MII_LINK_3 | |
| 25 | SMRXDV3 | |
| 26 | SMRXD33/REFCLKO_3 | |
| 27 | SMRXD32 | |
| 28 | SMRXD31 | |
| 29 | SMRXD30 | |
| 30 | SMRXC3 | |
| 31 | GND_2 | |
| 32 | VDDC | |
| 33 | SCOL3 | |
| 34 | SCRS3 | |
| 35 | INTRN | |
| 36 | SCL_MDC | |
| 37 | SDA_MDIO | |
| 38 | SPIQ | |
| 39 | SPISN | |
| 40 | VDDIO_2 | |
| 41 | GND_3 | |
| 42 | VDDCO | |
| 43 | P1LED1 | |
| 44 | P1LED0 | |
| 45 | P2LED1 | |
| 46 | P2LED0 | |
| 47 | RSTN | |
| 48 | FXSD1 | |
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*Generated from [https://www.flux.ai/cherepanyadima/ksz8863rll](https://www.flux.ai/cherepanyadima/ksz8863rll)*