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LU82541ER
LU82541ER
| Part Number | LU82541ER |
|---|---|
| Manufacturer | Intel |
| Category | Integrated Circuits (ICs) > Interface > Ethernet Controllers / Network Interface Controllers |
| Description | Single‑Port Gigabit Ethernet Controller IC, 10/100/1000 Mbps, Integrated MAC and PHY, PCI Interface, Lead‑Free BGA‑196 Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
LU82541ER is Intel single‑port Gigabit Ethernet Controller integrating MAC+PHY. It adopts 32‑bit PCI v2.3 bus, supports 10/100/1000Mbps. Packaged in lead‑free BGA‑196. This EOL IC is widely used for legacy industrial and embedded equipment repair replacement.
Core Advantages
Integrated MAC & PHY
Single‑chip MAC+PHY design, simplify PCB layout and lower BOM cost.
TCP/IP Hardware Offload
Hardware checksum offload reduces CPU load and improves network throughput.
Low‑Power Management
Supports PCI & ACPI power management for low active and standby power consumption.
Broad OS Compatibility
Native driver support for Windows, Linux and real‑time embedded OS for legacy systems.
Key Specifications
| Brand | Intel |
|---|---|
| RoHS Status | RoHS Compliant / Lead‑Free (LU‑Prefix) |
| EDA/CAD | Symbol, Footprint & 3D Model Available |
| Warranty | 1‑Year Standard Quality Warranty |
| Package / Case | BGA‑196 (15mm × 15mm, 1mm ball pitch) |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | 82541ER Marking |
| Network Standard | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab (10BASE‑T/100BASE‑TX/1000BASE‑T) |
| Data Rate | 10 / 100 / 1000 Mbps (Gigabit Ethernet) |
| Host Interface | 32‑bit PCI v2.3 (33 MHz / 66 MHz) |
| Number of Ports | 1 Port |
| Core Supply Voltage Vcc | 1.2 V DC Nominal (1.14V ~ 1.26V) |
| Auxiliary Analog Voltage | 1.8 V DC Nominal |
| I/O Supply Voltage | 3.3 V DC Nominal, 5V transient tolerant |
| Max Power Dissipation | < 1.0 W (Full Load) |
| D3 Low‑Power State | < 100 mW |
| Jumbo Frame Support | Max 16KB |
| Operating Temperature Range | 0°C to +70°C (Commercial Temperature Range) |
| Lifecycle Status | Discontinued / End‑of‑Life (EOL) |
| Packaging Format | Tray / Anti‑Static Protective Packaging |
Typical Applications
- Embedded single‑board computers (SBC), industrial motherboards, and IPCs
- Network Interface Cards (NICs) and PCI expansion network modules
- Network Attached Storage (NAS) devices and media server hardware
- Point of Sale (POS) terminals, digital signage, and automated kiosks
- Industrial automation controllers, medical equipment, and telecommunications gateways
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1‑2 business days |
| Delivery Time | 3‑7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What does “LU” prefix mean for LU82541ER? Any difference with non‑LU 82541ER?
A: “LU” stands for lead‑free RoHS finish. Non‑LU version is tin‑lead, non‑RoHS. Pinout is identical, but soldering profile should match different plating finishes.
Q2: What host bus does LU82541ER use?
A: 32‑bit PCI v2.3 bus (33/66 MHz). It is NOT PCI‑Express compatible.
Q3: Do I need external PHY chip for LU82541ER?
A: No. MAC and 10/100/1000Mbps PHY are integrated inside single chip, connect directly to transformer and RJ‑45.
Q4: Can LU82541ER directly replace 82551ER or 82562EX?
A: Same BGA‑196 footprint, but register and PHY parameters differ. Full hardware‑software validation is required, not drop‑in ready.
Q5: How is LU82541ER different from PCI‑E gigabit controllers?
A: LU82541ER is legacy PCI device, only for old‑board repair. Modern PCI‑E IC delivers higher throughput and lower power, recommended for new designs.
Q6: What power supplies are required for this chip?
A: Three power rails:1.2V core(1.14‑1.26V),1.8V analog,3.3V I/O. Over‑voltage will permanently damage the IC.
Q7: Any cross‑brand pin‑to‑pin alternative for new projects?
A: No direct pin‑compatible cross‑brand replacement. For repair, use original LU82541ER. For new design, choose Realtek/Broadcom PCI‑E ethernet IC.
Q8: What soldering suggestion for LU82541ER BGA‑196?
A: LU suffix is lead‑free device, use lead‑free reflow profile. Avoid over‑temperature, excessive heat will degrade internal chip performance.
Q9: How to get datasheet, footprint or bulk quotation?
A: Submit inquiry form, our team will send datasheet, stock check and price within 24 hours.
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