Overview
The 88E1111-B2-BAB1I000 is a Gigabit Ethernet physical layer transceiver (PHY) launched by Marvell . It supports 10/100/1000 Mbps adaptive rates and is compatible with the IEEE 802.3 standard. It is widely used in routers, switches, embedded systems, industrial equipment, and network communication modules.
This device, packaged in a BGA package , features low power consumption, strong compatibility, and a high degree of integration . It supports multiple MAC interface methods, including RGMII, GMII, MII, TBI, and RTBI, enabling flexible adaptation to different master control chips. It also integrates automatic polarity detection and correction, EEE (Energy Efficient Ethernet), and cable diagnostics , enabling designers to quickly deploy high-performance network solutions.
Core parameters
Parameter | Numerical |
Work Standards | IEEE 802.3 (10BASE-T/100BASE-TX/1000BASE-T) |
Rate | 10/100/1000 Mbps auto-sensing |
Interface Type | RGMII, GMII, MII, TBI, RTBI |
Supply voltage | 3.3V (I/O), 1.2V (core) |
Power consumption | Low power consumption design, supporting EEE (Energy Efficient Ethernet) |
Diagnostic function | Cable diagnostics, polarity detection and correction |
Clock output | 125MHz |
Package Type | BGA package (industrial grade version) |
Operating temperature range | –40°C to +85°C |
Application level | Industrial grade |
Features
Gigabit Ethernet compatible
Supports three speeds: 10/100/1000 Mbps to meet the application requirements of different network devices.
Multiple MAC interfaces
Supports RGMII, GMII, MII, TBI, RTBI , and can flexibly connect to various MCUs, CPUs, and network processors.
Low power consumption and energy-saving features
Supports EEE Energy Efficient Ethernet , which reduces power consumption when the link is idle, making it suitable for green energy-saving design.
Intelligent diagnosis and self-adaptation
Cable diagnostics detect wiring problems and automatic polarity detection and correction improve system reliability.
Industrial-grade reliability
Supporting a wide temperature range of –40°C to +85°C, it is suitable for industrial networks and harsh environments.
Typical application scenarios
Network communication equipment
Gigabit routers, switches, and wireless access points.
Industrial Ethernet
PLC, industrial automation controller, edge computing gateway.
Embedded Systems
Smart gateway, network storage device (NAS), multimedia player.
Cars and Transportation
In-vehicle Ethernet system, V2X communication module.
Servers and Enterprise Networks
High-speed network interface cards (NICs), server motherboards.
Performance Comparison
Index | 88E1111-B2-BAB1I000 | DP83867 (TI) |
Rate | 10/100/1000 Mbps | 10/100/1000 Mbps |
Interface support | RGMII/GMII/MII/TBI/RTBI | RGMII/GMII/MII |
EEE Energy Efficient Ethernet | support | support |
Cable diagnostic function | support | support |
Industrial temperature | –40°C to +85°C | –40°C to +85°C |
Encapsulation | BGA | QFN |
Compared with TI’s DP83867, 88E1111 has richer interface options, stronger compatibility, and is suitable for diversified designs.
Manufacturer Profile: Marvell Technology Group
Marvell is a world-renowned semiconductor manufacturer specializing in data storage, network communications, and connectivity chips. The 88E1111 series PHY is its classic Gigabit Ethernet physical layer transceiver, widely used in industrial control, automotive electronics, and consumer networking equipment.
Why choose 88E1111-B2-BAB1I000?
● Triple-rate support (10/100/1000 Mbps) for full compatibility
● Multiple interface options (RGMII, GMII, MII, TBI, RTBI) for flexible design
● Energy-Efficient Ethernet (EEE) for reduced power consumption
● Cable diagnostics + automatic polarity correction for improved stability
● Industrial-grade certification (–40°C to +85°C) for harsh environments
Frequently Asked Questions (FAQ)
Q1: Is the 88E1111-B2-BAB1I000 compatible with standard Ethernet protocols?
A: Yes . The 88E1111 series Gigabit Ethernet PHY fully complies with IEEE 802.3 standards and supports 10/100/1000 Mbps adaptive rate switching, ensuring interoperability with a wide range of standard Ethernet devices. It also supports features such as Auto-Negotiation and Auto MDI/MDIX, simplifying network connection design.
Q2: Can it be used on embedded ARM processor platforms?
A: Yes . The 88E1111 provides multiple standard interfaces, including RGMII, GMII, MII, and SGMII , making it widely compatible with embedded ARM SoC platforms (such as the NXP i.MX6/i.MX8 , STM32MP1 , and TI AM335x/AM437x ). Its driver is already well-established in the Linux kernel and is commonly used in industrial control gateways, embedded network terminals, and communications equipment.
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Product Details: Win Source- 88E1111-B2-BAB1I000
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