MARVELL 88E1111-BAB

Mfr. Part

88E1111-BAB

Manufacturer

Martel Electronics

Important note: The part number 88E1111-BAB and the description “MARVELL BGA” match the well-known Marvell Alaska 88E1111 Gigabit Ethernet PHY family. Please confirm the intended manufacturer with our sales team before ordering.

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Detailed Description

Single-port Gigabit Ethernet PHY transceiver, commonly known as Marvell Alaska 88E1111 family. It connects a MAC to a copper RJ45 interface through magnetics and supports 10/100/1000 Mbps Ethernet per IEEE 802.3. Packaged in BGA as indicated.

Category: Integrated Circuits (ICs) > Specialized ICs

Available stock: 5146 pcs

Package / Case: 869 (BGA)

Date code: 06+

Note: Because the manufacturer field provided conflicts with the description, please verify the exact sub-revision and manufacturer so we can match pinout, package drawing, and firmware notes.

Key Features

10/100/1000BASE-T Ethernet PHY, IEEE 802.3 compliant

Auto-negotiation for speed and duplex

Auto MDI/MDIX for crossover detection and correction

MAC interface options such as RGMII, GMII, or MII (varies by sub-variant, confirm in datasheet)

MDIO management interface (Clause 22/45 dependent on variant)

On-chip DSP for echo cancellation, NEXT/FEXT mitigation, adaptive equalization

Link status and activity LED support and strap configuration pins

Cable diagnostics and loopback test modes

Typical operation over standard 100 m Cat5e/Cat6 cabling

Key Advantages

Proven, widely deployed Gigabit PHY family with strong interoperability

Flexible MAC interface options to fit a range of SoCs and FPGAs

Auto MDI/MDIX and robust DSP simplify board design and reduce BOM risks

Mature ecosystem, reference designs, and software driver support

Suitable for cost-sensitive designs while delivering stable link performance

Packaging

Type: BGA (per “Package / Case: 869” and “MARVELL BGA” description)

Material: Organic BGA substrate with molded plastic encapsulation (typical for PBGA devices)

Size: Exact body size, ball pitch, and ball count depend on sub-revision; please verify in the mechanical package drawing in the datasheet on our product page

Pin configuration: Ball map varies by sub-variant; typical groups include MAC interface pins (RGMII/GMII/MII), MDIO/MDC, LED pins, crystal or reference clock pins, analog differential pairs to magnetics (TXP/TXN and RXP/RXN), power and ground balls for multiple rails, and strap pins

Thermal characteristics: BGA helps heat spread into the PCB; actual θJA/θJC depend on board stack-up and airflow. Follow the datasheet thermal guidance and provide solid copper planes for heat and ground return

Electrical properties: IEEE 802.3 compliant 10/100/1000 operation. PHYs in this class often require multiple rails (for example, a core rail and an I/O rail) and consume power in the sub-watt range depending on mode and link state. Confirm exact voltages, tolerances, and power consumption in the datasheet for the BAB sub-variant

Handling: BGA devices are moisture sensitive and ESD sensitive. Expect dry-pack per J-STD-033 and ESD handling per ANSI/ESD S20.20. The 06+ date code suggests older stock; if the dry pack is opened or exposure limits are exceeded, follow recommended bake and reflow profiles from the datasheet and packing label

Lifecycle

Status: Mature, long-established Gigabit PHY family. Specific sub-revisions may be NRND or EOL depending on suffix and manufacturer. Availability of 88E1111-BAB should be confirmed at time of order

Direct equivalents: Exact pin-for-pin and register-for-register equivalents must be verified by suffix. If you need a drop-in, please share your PCB footprint and firmware constraints so we can validate

Alternative models for similar function (not drop-in, re-layout likely required)

- Marvell: 88E1116, 88E1121, 88E1512 (newer low-power GbE PHY family)

- Microchip: KSZ9031RNX (RGMII), KSZ9131 (RGMII/low power)

- Texas Instruments: DP83867 (RGMII/GMII), DP83825/DP83826 (10/100 only)

- Broadcom: BCM54612E, BCM54810

- Realtek: RTL8211E, RTL8211F

- Note: Interfaces, power rails, packages, register maps, strap behavior, and driver support differ. Requalification and layout changes are expected

If you need confirmation of lifecycle status or a curated cross list tailored to your interface, package, and supply constraints, please contact our sales team via the Y-IC website for up-to-date guidance

Key Application Areas

Network switches, routers, gateways, and media converters

Embedded systems and single-board computers with external MACs

Industrial control, HMI panels, PLC communication modules

Printers, IP phones, DVR/NVR, set-top boxes, and consumer networking gear

Any design needing a reliable copper 10/100/1000BASE-T PHY

Datasheet

For the most authoritative and current datasheet for 88E1111-BAB, download it directly from the product page on the Y-IC website. We keep the latest revisions, errata, and package drawings so you can design with confidence.

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