WGI210AT-SLJXR - Intel I210-AT GbE Ethernet Controller QFN-64
MPN： WGI210AT-SLJXR ✓ 啟用中WGI210AT-SLJXR 概覽
An Ethernet controller is a mixed-signal integrated circuit that links a host system (typically a CPU or SoC) to a wired network, handling MAC address framing, PHY physical-layer termination, and offloading protocol tasks from the host CPU. It belongs to the broader network-interface category (NIC controller -> Ethernet controller -> mixed-signal IC -> semiconductor) and is essential wherever a deterministic, low-latency wired network connection is required. Ethernet controllers sit in the platform's input/output subsystem, bridging PCIe to copper media and providing the physical termination that magnetics and an RJ45 jack connect to.
The I210-AT is Intel's mainstream GbE controller for non-server applications and supports the full media-negotiation trio of 10 Mbps, 100 Mbps, and 1000 Mbps. It exposes a PCIe v2.1 5 GT/s host interface for typical x1 edge-connector applications, alongside legacy SMBus, SPI, and JTAG for management and firmware update. Power is supplied through a 3.3 V main rail and a 0.9 V core rail, with full PHY-level Energy Efficient Ethernet (EEE) support reducing link power during idle periods. Industrial features include NC-SI / SMBus manageability, MAC address pre-programming, and platform firmware resiliency.
Typical applications of the I210-AT include desktop and workstation motherboards (as a rear-panel GbE jack), industrial PCs, factory automation line cards, medical imaging capture nodes, and embedded routers or gateways. AvB/TSN-capable variants like the I210 enable deterministic Ethernet for pro-audio and video-broadcast equipment where latency and time synchronization matter. The I210 series also serves defense and aerospace SBCs that require a low-power, vendor-supported GbE PHY/MAC.
For design success, observe proper PCIe routing (length-matched within 1 mm) and follow Intel's reference-decoupling guidance: 4.7 uF + 0.1 uF near each power pin with a solid ground return. Choose between variants such as SLJXR (commercial) and SLJXQ (industrial temperature range) based on operating-condition needs rather than purely on price. Designers using AVB/802.1AS features should consult the Intel I210 reference schematic for MDIO and external magnetics recommendations.
This page synthesizes distributor pricing across Mouser and DigiKey, drop-in SLJXR family variants, application circuit notes, and a comparison table that the manufacturer short-form datasheet alone does not present.
直接替換替代品，適用於 WGI210AT-SLJXR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： WGI210AT-SLJXR （相同外形與佔位） — 差異在於 Host Interface, Jumbo Frame Support, Package, Product Type.
VSC8531XMW-05
聯絡詢價
查看資料表 →WGI210AT-SLJXQ
📋 參考替代品（不在目錄中）
WGI210AT S LJXR
📋 參考替代品（不在目錄中）
WGI211AT-SLJXR
📋 參考替代品（不在目錄中）
WGI210AT-SLJXR 規格
| Product Type | Ethernet Controller (MAC + PHY) |
| Series | Intel I210 |
| Ethernet Speed | 10/100/1000 Mbps (GbE) |
| Supported Standards | 10BASE-T, 100BASE-TX, 1000BASE-T |
| Host Interface | PCIe v2.1 (5 GT/s) x1 |
| Secondary Interfaces | SGMII, SPI, JTAG, I2C, SMBus/NC-SI |
| Supply Voltage (Main) | 3.3 V |
| Core Voltage | 0.9 V |
| 工作溫度 | 0 C to +70 C (commercial) |
| 封裝 | QFN-64 (9x9 mm) |
| 安裝類型 | Surface Mount |
| Jumbo Frame Support | Yes (up to 9.5 KB) |
| IEEE 802.3az EEE Support | Yes |
| IEEE 802.1AS / AVB Support | Yes |
| Manageability | NC-SI / SMBus |
| RoHS 狀態 | Compliant |
WGI210AT-SLJXR 腳位配置
| 腳位 1 | GND — Ground reference |
| 腳位 2 | VDD33 — 3.3 V main supply |
| 腳位 3 | VDD09 — 0.9 V core supply |
| 腳位 4 | VDD_AUX — Auxiliary supply for manageability |
| 腳位 5 | PERp0 — PCIe receive pair + (lane 0) |
| 腳位 6 | PERn0 — PCIe receive pair - (lane 0) |
| 腳位 7 | GND — Ground reference |
| 腳位 8 | PETp0 — PCIe transmit pair + (lane 0) |
| 腳位 9 | PETn0 — PCIe transmit pair - (lane 0) |
| 腳位 10 | GND — Ground reference |
| 腳位 11 | REF_CLK+ — PCIe reference clock + |
| 腳位 12 | REF_CLK- — PCIe reference clock - |
| 腳位 13 | GND — Ground reference |
| 腳位 14 | MDI0+ — MDI differential pair 0 + |
| 腳位 15 | MDI0- — MDI differential pair 0 - |
| 腳位 16 | MDI1+ — MDI differential pair 1 + |
| 腳位 17 | MDI1- — MDI differential pair 1 - |
| 腳位 18 | GND — Ground reference |
| 腳位 19 | MDI2+ — MDI differential pair 2 + |
| 腳位 20 | MDI2- — MDI differential pair 2 - |
| 腳位 21 | MDI3+ — MDI differential pair 3 + |
| 腳位 22 | MDI3- — MDI differential pair 3 - |
| 腳位 23 | GND — Ground reference |
| 腳位 24 | SMB_CLK — SMBus/NC-SI clock |
| 腳位 25 | SMB_DAT — SMBus/NC-SI data |
| 腳位 26 | SMB_ALRT — SMBus alert |
| 腳位 27 | VDD33 — 3.3 V main supply |
| 腳位 28 | GPIO0 — General purpose I/O |
| 腳位 29 | GPIO1 — General purpose I/O |
| 腳位 30 | GPIO2 — General purpose I/O |
| 腳位 31 | GPIO3 — General purpose I/O |
| 腳位 32 | GND — Ground reference |
| 腳位 33 | JTAG_TCK — JTAG clock |
| 腳位 34 | JTAG_TMS — JTAG mode select |
| 腳位 35 | JTAG_TDI — JTAG data in |
| 腳位 36 | JTAG_TDO — JTAG data out |
| 腳位 37 | JTAG_TRST — JTAG reset |
| 腳位 38 | GND — Ground reference |
| 腳位 39 | SPI_CS — SPI chip select (for firmware) |
| 腳位 40 | SPI_CLK — SPI clock |
| 腳位 41 | SPI_MOSI — SPI master-out slave-in |
| 腳位 42 | SPI_MISO — SPI master-in slave-out |
| 腳位 43 | VDD33 — 3.3 V main supply |
| 腳位 44 | VDD09 — 0.9 V core supply |
| 腳位 45 | GND — Ground reference |
| 腳位 46 | LED0 — Activity/link LED 0 |
| 腳位 47 | LED1 — Activity/link LED 1 |
| 腳位 48 | LED2 — Activity/link LED 2 |
| 腳位 49 | LED3 — Activity/link LED 3 |
| 腳位 50 | RESET — Device reset (active low) |
| 腳位 51 | GND — Ground reference |
| 腳位 52 | SGMII+ — SGMII serial data + |
| 腳位 53 | SGMII- — SGMII serial data - |
| 腳位 54 | SGMII_CLK+ — SGMII reference clock + |
| 腳位 55 | SGMII_CLK- — SGMII reference clock - |
| 腳位 56 | GND — Ground reference |
| 腳位 57 | I2C_SCL — I2C clock |
| 腳位 58 | I2C_SDA — I2C data |
| 腳位 59 | NC — Not connected (per datasheet) |
| 腳位 60 | NC — Not connected (per datasheet) |
| 腳位 61 | VDD09 — 0.9 V core supply |
| 腳位 62 | VDD33 — 3.3 V main supply |
| 腳位 63 | GND — Ground reference |
| 腳位 64 | EP — Exposed thermal pad - connect to GND |
典型應用
WGI210AT-SLJXR 適用於 7 應用s: Desktop and Workstation GbE Connectivity, Industrial PCs and Factory Automation, Network-Attached Storage and Server Edge NICs, Embedded Routers and IoT Gateways, Pro-Audio AVB / TSN Equipment, Medical Imaging Capture Nodes, Defense and Aerospace Single-Board Computers.
Desktop and Workstation GbE Connectivity
The WGI210AT-SLJXR is Intel's mainstream single-chip GbE MAC+PHY for desktop motherboards and workstations. Its integrated PHY eliminates the need for a separate 10/100/1000BASE-T transceiver, reducing board area and BOM cost compared to MAC-only designs. The PCIe v2.1 host interface provides up to 5 GT/s of host-to-NIC bandwidth, sufficient for full-line-rate GigE with headroom for jumbo frames up to 9.5 KB. Auto-negotiation between 10BASE-T, 100BASE-TX, and 1000BASE-T is handled by the on-chip PHY, making the SLJXR a true plug-and-play GbE drop-in for consumer and prosumer systems.
推薦
Industrial PCs and Factory Automation
The I210-AT inside the SLJXR is qualified for 0 C to +70 C operation and supports SMBus/NC-SI manageability, which is critical for industrial PCs and factory line cards. The integrated GbE PHY tolerates industrial EMI environments, and the AVB/802.1AS feature set enables deterministic Ethernet for motion-control networks. For harsher -40 C to +85 C applications, the SLJXQ industrial variant is the direct upgrade on the same QFN-64 footprint, so PCB design can stay constant across temperature grades.
推薦
Network-Attached Storage and Server Edge NICs
The WGI210AT-SLJXR is widely used as a single-port edge NIC for NAS and entry-level server platforms. The Intel e1000e/igb driver stack is mature in Linux, Windows, and VMware, simplifying integration. Jumbo-frame support up to 9.5 KB reduces CPU overhead for sequential reads/writes, and the SMBus/NC-SI manageability enables out-of-band monitoring in rack-mounted servers. For multi-port edge designs, multiple SLJXR chips can be wired to the same PCIe root complex without conflict.
推薦
Embedded Routers and IoT Gateways
The WGI210AT-SLJXR is a popular GbE WAN/LAN port in industrial routers, IoT gateways, and smart-home hubs. Its compact QFN-64 (9x9 mm) package fits dense PCB layouts, and the 3.3 V/0.9 V power rails are easy to derive from standard PoE or USB-C supplies. AVB/802.1AS support allows deterministic timing for time-sensitive IoT traffic, and the 802.3az Energy Efficient Ethernet (EEE) feature drops link power during low-utilization periods - critical for thermally constrained embedded enclosures.
推薦
Pro-Audio AVB / TSN Equipment
The I210 family including the SLJXR is Intel's primary recommended controller for Audio-Video Bridging and Time-Sensitive Networking equipment. The on-chip PHY and PCIe host interface support deterministic Ethernet for digital mixing consoles, broadcast routers, and stage-box audio transport. IEEE 802.1AS precision-time-protocol is supported when paired with Linux ptp4l or the Intel igb driver on Windows, providing sub-microsecond synchronization for pro-audio streams.
推薦
Medical Imaging Capture Nodes
The WGI210AT-SLJXR is used in medical imaging capture nodes (ultrasound, endoscopy, pathology scanners) where deterministic, low-latency GbE is required. Its mature driver stack across Linux and Windows simplifies regulatory submissions, and IEEE 1588/802.1AS support enables synchronized image capture from multiple modalities. Combined with appropriate isolation and signal-conditioning, the SLJXR provides a reliable GbE link in compliance-sensitive clinical environments.
推薦
Defense and Aerospace Single-Board Computers
The WGI210AT-SLJXR appears on defense-grade SBCs that require an Intel-supported GbE controller with confirmed long-term driver support. Its QFN-64 footprint is denser than BGAs used in rad-hard parts, but for non-rad-hard industrial-defense applications it is a strong choice. For applications requiring -40 C to +85 C operation, the SLJXQ variant preserves the PCB layout while extending the temperature window.
推薦
推薦產品摘要
工程參考資料，適用於 WGI210AT-SLJXR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | WGI210AT-SLJXQ | WGI211AT-SLJXR | VSC8531XMW-05 |
|---|---|---|---|---|
| Package | QFN-64 (9x9 mm) | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same | QFN-64 footprint-equivalent |
| Brand | Intel | Intel | Intel | Microchip Technology |
| Operating Temperature | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) |
| Ethernet Speed | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps |
| Host Interface | PCIe x1 Gen 2.1 | PCIe x1 Gen 2.1 | PCIe x1 Gen 2.1 | RGMII (PHY-only) |
| Silicon Family | Intel I210 MAC+PHY | Intel I210 MAC+PHY | Intel I211 MAC+PHY | Microchip VSC8531 PHY-only |
| AVB / 802.1AS Support | Yes | Yes | Reduced / optional | PHY-only - software-dependent |
| Manageability (NC-SI/SMBus) | Yes | Yes | Limited | No (PHY-only) |
| Supply Voltage | 3.3 V + 0.9 V | 3.3 V + 0.9 V | 3.3 V + 0.9 V | 1.2 V + 2.5 V + 3.3 V |
主要差異化特點
- On-chip 1000BASE-T PHY eliminates external GbE transceiver (對比VSC8531XMW-05)
- Mature Intel e1000e/igb driver stack across Linux/Windows/VMware (對比WGI211AT-SLJXR)
- Native AVB / 802.1AS time-synchronization on-chip (對比WGI211AT-SLJXR)
設計說明
Estimated: PCIe differential pair length matching must be held within 1 mm (intra-pair) and 5 mm (inter-pair) for PCIe Gen 2.1 compliance. Route the PETp/n and PERp/n pairs over a continuous ground reference plane with 85-ohm differential impedance. The 9x9 mm QFN-64 footprint exposes the thermal EP beneath the package; this pad MUST be soldered to the ground plane with at least 9 thermal vias in a 3x3 grid to achieve the datasheet thermal resistance.
Decouple the 3.3 V and 0.9 V rails with 4.7 uF bulk + 0.1 uF high-frequency ceramics placed within 2 mm of the respective VDD pins. Power sequencing Intel recommends: 3.3 V ramps first, then 0.9 V, then PERST# de-assertion. Use a TPS22918DBVR load switch for hot-plug applications.
Verify MDI pair routing uses 100-ohm differential impedance with no more than two layer transitions; mismatched MDI impedance collapses return loss and degrades 1000BASE-T link margin. Do not place the SLJXR near noisy switching regulators above 100 MHz fundamental frequency without adequate PI filtering - the on-board PHY is sensitive to broadband conducted noise above 50 MHz.
合規資訊
RoHS and REACH compliance per Intel ordering information page for the I210 family. Halogen-free status not explicitly stated in retrieved search snippets; set to unknown. AEC-Q100 not applicable for commercial GbE controller.
