# KSZ9897STXI-TR (Component) ## Description 7-Port Gigabit Managed Ethernet Switch IC – High-performance Layer 2 managed Ethernet switch designed for industrial automation, IoT gateways, embedded networking, automotive networking, IP cameras, networked audio/video systems, and communication equipment. Integrates 7 Gigabit Ethernet ports with 5 integrated 10/100/1000BASE-T PHYs, 1 SGMII interface, and 1 configurable RGMII/MII/RMII interface, enabling flexible network architectures. Supports IEEE 802.3 Ethernet standards, QoS, VLAN (802.1Q), Rapid Spanning Tree Protocol (RSTP), IGMP snooping, LinkMD® cable diagnostics, Energy Efficient Ethernet (EEE), Wake-on-LAN (WoL), port mirroring, rate limiting, and advanced packet filtering for robust managed networking. Features I²C and SPI management interfaces, operates from 1.8 V, 2.5 V, and 3.3 V supplies, and is specified for the −40°C to +85°C industrial temperature range. Packaged in a 128-pin TQFP-EP (14 × 14 mm) for high-density embedded networking designs. #Microchip #KSZ9897STXITR #KSZ9897 #GigabitEthernetSwitch #ManagedSwitch #Layer2Switch #IndustrialEthernet #SGMII #RGMII #IoTGateway #NetworkController #EmbeddedSystems ## Component Details - **Owner:** silicon-yard - **Created:** 7/31/2026 - **Last Updated:** 7/31/2026 - **Visibility:** Public - **Symbol Style:** parametric-v1 - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/79a90f9d4052a97e1d641d9197824ab2c3090059f565172ede20d5c943370087.pdf - **Manufacturer Part Number:** KSZ9897STXI-TR - **Manufacturer Name:** Microchip - **Part Type:** Ethernet ## 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/ksz9897stxi-tr/microchip-technology?utm_currency=USD&region=nac) | $16.73 | 470 | | [LCSC](https://www.lcsc.com/product-detail/C631696.html) | $19.1788 | 25 | | [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/KSZ9897STXI-TR?qs=5aG0NVq1C4wJfwyndbvSZQ%3D%3D) | $16.79 | 571 | | [Verical](https://www.verical.com/pd/microchip-technology-ethernet-switch-KSZ9897STXI-TR-4445259?utm_currency=USD) | $16.73 | 470 | - **Part Type:** Other - **Manufacturer:** Microchip - **MPN:** KSZ9897STXI-TR - **Mount Type:** Standard - **Package / Case Code:** TO - **Pin Count:** 129 ## Pins | Pin | Name | Type | |-----|------|------| | 72 | VDDHS_1 | | | 11 | DVDDL_1 | | | 99 | VDDIO_3 | | | 104 | DVDDL_8 | | | 19 | AVDDL_3 | | | 22 | AVDDH_2 | | | 122 | AVDDH_6 | | | 111 | AVDDH_5 | | | 44 | AVDDH_4 | | | 3 | AVDDL_1 | | | 128 | AVDDH_7 | | | 71 | VDDLS_1 | | | 68 | VDDIO_2 | | | 83 | VDDHS_2 | | | 124 | AVDDL_9 | | | 10 | AVDDH_1 | | | 45 | DVDDL_3 | | | 36 | AVDDL_5 | | | 30 | AVDDL_4 | | | 23 | DVDDL_2 | | | 61 | VDDIO_1 | | | 84 | VDDLS_2 | | | 110 | DVDDL_9 | | | 41 | AVDDL_6 | | | 114 | AVDDL_7 | | | 119 | AVDDL_8 | | | 87 | DVDDL_7 | | | 56 | DVDDL_4 | | | 33 | AVDDH_3 | | | 66 | DVDDL_5 | | | 70 | DVDDL_6 | | | 14 | AVDDL_2 | | | 4 | TXRX1P_B | | | 25 | TXRX3M_A | | | 12 | TXRX2P_A | | | 31 | TXRX3P_D | | | 17 | TXRX2P_C | | | 13 | TXRX2M_A | | | 117 | TXRX5P_C | | | 5 | TXRX1M_B | | | 112 | TXRX5P_A | | | 121 | TXRX5M_D | | | 37 | TXRX4P_B | | | 113 | TXRX5M_A | | | 7 | TXRX1M_C | | | 43 | TXRX4M_D | | | 26 | TXRX3P_B | | | 15 | TXRX2P_B | | | 29 | TXRX3M_C | | | 28 | TXRX3P_C | | | 18 | TXRX2M_C | | | 120 | TXRX5P_D | | | 1 | TXRX1P_A | | | 9 | TXRX1M_D | | | 42 | TXRX4P_D | | | 2 | TXRX1M_A | | | 34 | TXRX4P_A | | | 35 | TXRX4M_A | | | 20 | TXRX2P_D | | | 24 | TXRX3P_A | | | 118 | TXRX5M_C | | | 27 | TXRX3M_B | | | 38 | TXRX4M_B | | | 116 | TXRX5M_B | | | 39 | TXRX4P_C | | | 32 | TXRX3M_D | | | 115 | TXRX5P_B | | | 8 | TXRX1P_D | | | 21 | TXRX2M_D | | | 40 | TXRX4M_C | | | 16 | TXRX2M_B | | | 6 | TXRX1P_C | | | 49 | TX_EN6/TX_CTL6 | | | 65 | RXD6_0 | | | 63 | RXD6_2 | | | 60 | CRS6 | | | 50 | TX_ER6 | | | 54 | TXD6_1 | | | 53 | TXD6_2 | | | 64 | RXD6_1 | | | 48 | TX_CLK6/REFCLKI6 | | | 62 | RXD6_3 | | | 51 | COL6 | | | 58 | RX_DV6/CRS_DV6/RX_CTL6 | | | 59 | RX_ER6 | | | 52 | TXD6_3 | | | 55 | TXD6_0 | | | 57 | RX_CLK6/REFCLKO6 | | | 78 | S_IN7M | | | 82 | S_OUT7M | | | 79 | S_IN7P | | | 81 | S_OUT7P | | | 76 | S_REXT | | | 100 | SCS_N | | | 97 | SDO | | | 98 | SDI/SDA/MDIO | | | 101 | SCL/MDC | | | 67 | IBA | | | 86 | LED4_1 | | | 92 | LED2_1 | | | 85 | LED4_0 | | | 105 | LED1_0 | | | 93 | PME_N | | | 88 | LED3_0 | | | 102 | LED5_0 | | | 91 | LED2_0 | | | 106 | LED1_1 | | | 103 | LED5_1 | | | 89 | LED3_1 | | | 94 | INTRP_N | | | 96 | RESET_N | | | 125 | XO | | | 127 | ISET | | | 126 | XI | | | 95 | CLKO_25_125 | | | 73 | NC_1 | | | 108 | NC_4 | | | 74 | NC_2 | | | 90 | NC_3 | | | 129 | GND_PAD | | | 77 | GND_5 | | | 75 | GND_4 | | | 69 | GND_3 | | | 107 | GND_7 | | | 80 | GND_6 | | | 47 | GND_2 | | | 123 | GND_9 | | | 109 | GND_8 | | | 46 | GND_1 | | --- *Generated from [https://www.flux.ai/silicon-yard/ksz9897stxi-tr](https://www.flux.ai/silicon-yard/ksz9897stxi-tr)*