# RTL8305SC-LF (Component)
## Description
Ethernet ICs
RTL8305SC-LF
PQFP-128_L14.0-W20.0-P0.50-BL
LCSC Part Number: C129791
JLCPCB Part Class: Extended Part
Manufactured by REALTEK(瑞昱)
## Component Details
- **Owner:** lcsc
- **Created:** 10/15/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Manufacturer Part Number:** RTL8305SC-LF
- **LCSC Part Number:** C129791
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Name:** REALTEK(瑞昱)
- **Part Type:** Ethernet ICs
- **Product Info Url:** https://lcsc.com/product-detail/Ethernet-ICs_REALTEK_RTL8305SC-LF_RTL8305SC-LF_C129791.html
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1808291247_Realtek-Semicon-RTL8305SC-LF_C129791.pdf
- **Package or Case Code:** PQFP-128_L14.0-W20.0-P0.50-BL
- **Used in:** 3 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [LCSC](https://www.lcsc.com/product-detail/ethernet-switches_realtek-semicon-rtl8305sc-lf_C129791.html) | $6.1764 | 20 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **MPN:** RTL8305SC-LF
- **Mount Type:** PCB
- **Package / Case Code:** Other
- **Pin Count:** 128
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | AVDD18 | |
| 2 | RXIN[0] | |
| 3 | RXIP[0] | |
| 4 | AGND | |
| 5 | TXOP[0] | |
| 6 | TXON[0] | |
| 7 | AVDD18 | |
| 8 | AVDD18 | |
| 9 | TXON[1] | |
| 10 | TXOP[1] | |
| 11 | AGND | |
| 12 | RXIP[1] | |
| 13 | RXIN[1] | |
| 14 | AVDD18 | |
| 15 | AVDD18 | |
| 16 | RXIN[2] | |
| 17 | RXIP[2] | |
| 18 | AGND | |
| 19 | TXOP[2] | |
| 20 | TXON[2] | |
| 21 | AVDD18 | |
| 22 | AVDD18 | |
| 23 | TXON[3] | |
| 24 | TXOP[3] | |
| 25 | AGND | |
| 26 | RXIP[3] | |
| 27 | RXIN[3] | |
| 28 | AVDD18 | |
| 29 | AVDD18 | |
| 30 | RXIN[4] | |
| 31 | RXIP[4] | |
| 32 | AGND | |
| 33 | TXOP[4] | |
| 34 | TXON[4] | |
| 35 | AVDD18 | |
| 36 | ITEST1 | |
| 37 | ITEST2 | |
| 38 | ITEST3 | |
| 39 | DGND | |
| 40 | ~{RESET} | |
| 41 | ITEST4 | |
| 42 | DISDUALMII | |
| 43 | DVDD18 | |
| 44 | P4MODE[1] | |
| 45 | P4MODE[0] | |
| 46 | P4FLCTRL/P4ENFC | |
| 47 | P4SPDSTA/P4SPD100 | |
| 48 | P4DUPSTA/P4FULL | |
| 49 | ~{P4LNKSTA} | |
| 50 | DGND | |
| 51 | MTXC/PRXC | |
| 52 | MTXEN/PRXDV | |
| 53 | DVDD18 | |
| 54 | MTXD[0]/PRXD[0]/LEDMODE[0] | |
| 55 | MTXD[1]/PRXD[1]/LEDMODE[1] | |
| 56 | MTXD[2]/PRXD[2]/P4IRTAG[0] | |
| 57 | MTXD[3]/PRXD[3]/P4IRTAG[1] | |
| 58 | MCOL/PCOL | |
| 59 | MRXC/PTXC | |
| 60 | MRXDV/PTXEN | |
| 61 | MRXD[0]/PTXD[0] | |
| 62 | DVDD33 | |
| 63 | MRXD[1]/PTXD[1] | |
| 64 | DGND | |
| 65 | ITEST5 | |
| 66 | MRXD[2]/PTXD[2] | |
| 67 | MRXD[3]/PTXD[3] | |
| 68 | ~{SEL_MIIMAC}/DISDSPRI | |
| 69 | EN_AUTOXOVER | |
| 70 | DVDD18 | |
| 71 | EN_RST_BLNK | |
| 72 | ITEST6 | |
| 73 | PHY2PRXD[0]/ENEEPROM | |
| 74 | SCL_MDC | |
| 75 | SDA_MDIO | |
| 76 | PHY2PRXD[1]/GXENFC | |
| 77 | PHY2PRXD[2]/GYENFC | |
| 78 | PHY2PRXD[3]/ENBKPRS | |
| 79 | DGND | |
| 80 | PHY2PRXDV/DISBRDCTRL | |
| 81 | PHY2PRXC/QWEIGHT[0] | |
| 82 | PHY2PTXC/QWEIGHT[1] | |
| 83 | DISPORTPRI[0](PHY2PTXEN) | |
| 84 | DISPORTPRI[1](PHY2PTXD[0]) | |
| 85 | DISPORTPRI[2](PHY2PTXD[1]) | |
| 86 | DISPORTPRI[3](PHY2PTXD[2]) | |
| 87 | DVDD33 | |
| 88 | DISPORTPRI[4](PHY2PTXD[3]) | |
| 89 | PHY2PCOL/LED_BLNK_TIME | |
| 90 | ~{LOOPLED}/ENDEFER | |
| 91 | LED_ADD[4]/DISTAGPRI | |
| 92 | LED_ACT[4] | |
| 93 | LED_SPD[4]/DISVLAN | |
| 94 | DGND | |
| 95 | LED_DUP[4]/SETGROUP | |
| 96 | LED_ADD[3]/GXMODE | |
| 97 | LED_ACT[3]/EN48PASS1 | |
| 98 | LED_SPD[3]/DISARP | |
| 99 | LED_DUP[3]/GYMODE | |
| 100 | DVDD18 | |
| 101 | LED_ADD[2]/DISLEAKY | |
| 102 | DGND | |
| 103 | P4ANEG/LED_ACT[2] | |
| 104 | GXANEG/LED_SPD[2] | |
| 105 | GYANEG/LED_DUP[2] | |
| 106 | DVDD33 | |
| 107 | GXSPD100/LED_ADD[1] | |
| 108 | GYSPD100/LED_ACT[1] | |
| 109 | GXFULL/LED_SPD[1] | |
| 110 | GYFULL/LED_DUP[1] | |
| 111 | ENFORWARD/LED_ADD[0] | |
| 112 | DGND | |
| 113 | BCINDROP/LED_ACT[0] | |
| 114 | MAX1536/LED_SPD[0] | |
| 115 | LED_DUP[0] | |
| 116 | CK25MOUT | |
| 117 | OSCI | |
| 118 | HVDD33 | |
| 119 | AVDD18 | |
| 120 | X1 | |
| 121 | X2 | |
| 122 | AGND | |
| 123 | VCTRL | |
| 124 | DTEST2 | |
| 125 | DTEST1 | |
| 126 | AGND | |
| 127 | IBREF | |
| 128 | AVDD18 | |
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*Generated from [https://www.flux.ai/lcsc/rtl8305sc-lf~u5ha](https://www.flux.ai/lcsc/rtl8305sc-lf~u5ha)*