# LAN91C100FD-SS (Component) ## Description LAN91C100FD-SS LQFP-208_L28.0-W28.0-P0.50-LS30.0-BL LCSC Part Number: C647040 JLCPCB Part Class: Extended Part Manufactured by MICROCHIP(美国微芯) ## Component Details - **Owner:** lcsc - **Created:** 3/17/2026 - **Last Updated:** 3/17/2026 - **Visibility:** Public - **Package or Case Code:** LQFP-208_L28.0-W28.0-P0.50-LS30.0-BL - **JLCPCB Part Class:** Extended Part - **Manufacturer Name:** MICROCHIP(美国微芯) - **LCSC Part Number:** C647040 - **Manufacturer Part Number:** LAN91C100FD-SS ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/LAN91C100FD-SS/3879857) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C647040.html) | $12.44 | 0 | | [Mouser](https://www.mouser.com/en/ProductDetail/Microchip-Technology/LAN91C100FD-SS?qs=pA5MXup5wxE5tEtj%2FLXTWg%3D%3D) | N/A | N/A | - **Manufacturer:** Microchip - **MPN:** LAN91C100FD-SS - **Mount Type:** PCB - **Package / Case Code:** 208-LQFP - **Pin Count:** 191 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | LNK | | | 2 | TXEN | | | 3 | XTAL1 | | | 4 | XTAL2 | | | 5 | VDD | | | 6 | MIISEL | | | 7 | nCSOUT | | | 8 | nRXDISC | | | 9 | TX25 | | | 10 | VDD | | | 11 | RX_ER | | | 12 | RX_DV | | | 13 | IOS0 | | | 14 | GND | | | 15 | IOS1 | | | 16 | IOS2 | | | 17 | RX25 | | | 18 | COL100 | | | 19 | CRS100 | | | 20 | RXD0 | | | 21 | RXD1 | | | 22 | RXD2 | | | 23 | VDD | | | 24 | RXD3 | | | 25 | TXD0 | | | 26 | TXD1 | | | 27 | VDD | | | 28 | TXD2 | | | 29 | TXD3 | | | 30 | TXEN100 | | | 31 | nRWE0 | | | 32 | GND | | | 33 | RD7 | | | 34 | RD6 | | | 35 | RD5 | | | 36 | RD4 | | | 37 | RDMAH | | | 38 | RD3 | | | 39 | RD2 | | | 40 | RD1 | | | 41 | VDD | | | 42 | RD0 | | | 43 | RD15 | | | 44 | RD14 | | | 45 | RD13 | | | 46 | GND | | | 47 | RD12 | | | 48 | RD11 | | | 49 | RD10 | | | 50 | GND | | | 51 | ENEEP | | | 52 | EEDO | | | 105 | LCLK | | | 106 | nSRDY | | | 107 | VDD | | | 108 | nLDEV | | | 109 | nRDYRTN | | | 110 | D31 | | | 111 | GND | | | 112 | D30 | | | 113 | D29 | | | 114 | D28 | | | 115 | D27 | | | 116 | GND | | | 117 | D26 | | | 118 | D25 | | | 119 | VDD | | | 120 | GND | | | 121 | D24 | | | 122 | GND | | | 123 | D23 | | | 124 | D22 | | | 125 | VDD | | | 126 | D21 | | | 127 | D20 | | | 128 | GND | | | 129 | D19 | | | 130 | D18 | | | 131 | D17 | | | 132 | VDD | | | 133 | D16 | | | 134 | GND | | | 135 | D15 | | | 136 | D14 | | | 137 | D13 | | | 138 | GND | | | 139 | D12 | | | 140 | D11 | | | 141 | D10 | | | 142 | D9 | | | 143 | VDD | | | 144 | D8 | | | 145 | A1 | | | 146 | A2 | | | 147 | A3 | | | 148 | A4 | | | 149 | A5 | | | 150 | A6 | | | 151 | A7 | | | 152 | A8 | | | 153 | A9 | | | 154 | A10 | | | 155 | A11 | | | 156 | A12 | | | A13 | 157 | | | A14 | 158 | | | A15 | 159 | | | AEN | 193 | | | AGND | 203 | | | ARDY | 175 | | | AUISEL | 194 | | | AVDD | 205 | | | COL | 207 | | | CRS | 208 | | | D0 | 173 | | | D1 | 172 | | | D2 | 171 | | | D3 | 170 | | | D4 | 168 | | | D5 | 167 | | | D6 | 166 | | | D7 | 164 | | | EECS | 55 | | | EEDI | 53 | | | EESK | 54 | | | GND | 66 | | | INTR0 | 176 | | | INTR1 | 187 | | | INTR2 | 188 | | | INTR3 | 189 | | | LBK | 202 | | | MCLK | 192 | | | MDI | 198 | | | MDO | 196 | | | nADS | 95 | | | nBE0 | 160 | | | nBE1 | 161 | | | nBE2 | 162 | | | nBE3 | 163 | | | NC | 58 | | | nCYCLE | 183 | | | nDATACS | 190 | | | nFSTEP | 195 | | | nRD | 177 | | | nROE | 97 | | | nRWE1 | 57 | | | nRWE2 | 73 | | | nRWE3 | 86 | | | nVLBUS | 181 | | | nWR | 178 | | | RA2 | 84 | | | RA3 | 87 | | | RA4 | 88 | | | RA5 | 90 | | | RA6 | 91 | | | RA7 | 96 | | | RA8 | 99 | | | RA9 | 101 | | | RA10 | 100 | | | RA11 | 98 | | | RA12 | 89 | | | RA13 | 92 | | | RA14 | 103 | | | RA15 | 102 | | | RA16 | 104 | | | RCVDMA | 93 | | | RD8 | 59 | | | RD9 | 56 | | | RD16 | 69 | | | RD17 | 68 | | | RD18 | 67 | | | RD19 | 65 | | | RD20 | 64 | | | RD21 | 62 | | | RD22 | 61 | | | RD23 | 60 | | | RD24 | 81 | | | RD25 | 80 | | | RD26 | 79 | | | RD27 | 78 | | | RD28 | 77 | | | RD29 | 76 | | | RD30 | 71 | | | RD31 | 70 | | | RESET | 182 | | | RXC | 199 | | | RXD | 206 | | | TXC | 197 | | | TXD | 201 | | | VDD | 63 | | | W/nR | 184 | | --- *Generated from [https://www.flux.ai/lcsc/lan91c100fd-ss~sno1](https://www.flux.ai/lcsc/lan91c100fd-ss~sno1)*