88E1111-B2-BAB2I000

MARVELL 88E1111-B2-BAB2I000 Alaska® Ultra Gigabit Ethernet Transceiver

MARVELL 88E1111-B2-BAB2I000 Product Overview

The 88E1111-B2-BAB2I000 is a physical layer transceiver from Marvell's Alaska® Ultra family, designed for 10/100/1000BASE-T Ethernet applications in standard CAT 5 unshielded twisted pair environments . Manufactured using standard digital CMOS process, the device integrates all active circuitry required for physical layer functions, including transmit and receive data handling .

The transceiver supports multiple MAC interfaces: GMII, RGMII (with four timing modes), SGMII, TBI, and RTBI, enabling direct connection to MAC/switch ports . The device operates from 2.5V and 1.0V supplies, with I/Os tolerant to 3.3V . The industrial-grade variant offers an operating temperature range of -40°C to +85°C . Housed in a 117-pin TFBGA package measuring 14mm x 10mm with 1.0mm ball pitch .

MARVELL 88E1111-B2-BAB2I000 Key Specifications

MARVELL 88E1111-B2-BAB2I000 Key Advantages

The 88E1111-B2-BAB2I000 integrates Virtual Cable Tester (VCT) technology using Time Domain Reflectometry (TDR) to remotely identify potential cable faults including opens, shorts, impedance mismatches, pair swaps, and excessive skew, reporting fault distances within one meter. This significantly reduces device returns and service calls . The device features advanced mixed-signal processing with fully integrated digital adaptive equalizers, echo cancellers, and crosstalk cancellers, delivering robust performance in noisy environments at gigabit data rates .

The integrated 1.25 GHz SERDES supports direct connection to fiber optic transceivers for 1000BASE-T/1000BASE-X media conversion applications, enabling flexible GBIC or SFP module designs . The device supports Energy Detect and Energy Detect+ low power modes, downshift mode for two-pair cable installations, and automatic MDI/MDIX crossover at all speeds . IEEE 802.3u Auto-Negotiation and software programmable LED modes simplify system integration. Support for IEEE 1149.1 JTAG, MDC/MDIO, and Two-Wire Serial Interface (TWSI) provides comprehensive management and debugging capabilities .

MARVELL 88E1111-B2-BAB2I000 Typical Applications

Gigabit Ethernet network interface cards (NICs) and motherboards
Enterprise switches and routers
1000BASE-T to 1000BASE-X media converters and GBIC/SFP modules
Embedded systems requiring high-speed network connectivity
Industrial control and automation networking
Telecommunications and data center equipment
Test and measurement instruments
Security systems and surveillance equipment

Why Choose the MARVELL 88E1111-B2-BAB2I000?

The 88E1111-B2-BAB2I000 combines 10/100/1000BASE-T support, multiple MAC interface options, and Virtual Cable Tester diagnostic capability in a compact TFBGA package from Marvell, a leader in Ethernet connectivity solutions. It delivers reliable, high-performance physical layer connectivity for applications requiring gigabit speed and robust diagnostics. The integrated SERDES supports fiber media conversion without external components, while the industrial temperature range ensures reliable operation in demanding environments. The suffix B2-BAB2I000 identifies this as an industrial-grade variant in TFBGA-117 package, with Active lifecycle status ensuring continued availability for production requirements .