MARVELL 88E1111-BAB2

Mfr. Part

88E1111-BAB2

Manufacturer

Martel Electronics

Y-IC is a quality distributor of Martel Electronics. We provide original parts, fast delivery, and full technical support to help you succeed.

Detailed Description

Specialized IC in the Integrated Circuits (ICs) category

High-speed Ethernet physical layer (PHY) transceiver for 10/100/1000BASE-T over copper

Single-port device designed for embedded networking, routers, switches, and industrial systems

Standard MAC interfaces for easy CPU/SoC connection and MDIO management

Stock status and lot detail for your build: Quantity 1660, Date Code 21+

Key Features

10/100/1000 Mbps auto-negotiation with robust link stability

Auto MDI/MDI-X crossover on copper pairs (no crossover cable needed)

Standard MAC-side interfaces (commonly RGMII/GMII/MII; MDIO/MDC for register access)

On-chip DSP for echo, crosstalk, and baseline wander correction

Integrated cable diagnostics to detect opens/shorts and cable length

LED driver pins for link/activity/speed indicators

Uses a low-cost 25 MHz crystal or clock source

ESD protection structures and EMI-conscious line interface design

Power-down and low-power idle modes to save energy

Key Advantages

Proven, widely adopted Gigabit PHY architecture for high reliability

Interoperates with most Ethernet switches, PHYs, and MACs

Simplifies PCB design with integrated analog front end and diagnostics

Reduces BOM cost and time-to-market with standard interfaces and tooling

Flexible clocking and management options for easy system integration

Packaging

Package and case per provided record Package / Case 869

Family-level packaging commonly includes fine-pitch QFP or BGA variants; the BAB2 suffix identifies a specific package and grade for this part number

Material is typically RoHS-compliant, lead-free epoxy molding compound with matte tin plating on leads (confirm in datasheet)

Size and pin count depend on the BAB2 package option (confirm exact outline dimensions and land pattern in the datasheet)

Pin configuration includes:

- Four differential MDI pairs for RJ‑45 magnetics interface

- MAC-side interface signals (RGMII/GMII/MII as implemented on this suffix)

- MDIO/MDC management, hardware strapping pins, LED pins, reset, and clock pins

- Multiple supply pins for core and I/O rails, decoupling, and analog references

Thermal characteristics depend on package and PCB design; follow datasheet guidelines for copper area and airflow to meet θJA and temperature limits

Electrical characteristics (typical for this class of PHY):

- Separate core and I/O supplies (commonly ~1.2 V core and 2.5/3.3 V I/O; verify exact rails and tolerances in datasheet)

- External 25 MHz crystal or clock input with specified load caps and stability

- Power consumption dependent on link speed and mode; ensure adequate thermal margin

Lifecycle

Mature, high-volume Ethernet PHY category; availability can vary by package suffix and market demand

Not flagged here as last-time-buy or discontinued; for the exact lifecycle status of 88E1111-BAB2, contact Y-IC sales for the latest update

Equivalent or alternative models for similar applications (evaluate pinout, electrical, and software compatibility before substitution):

- Marvell family: 88E1510, 88E1512, 88E1540 (newer Gigabit PHYs with similar roles)

- Texas Instruments: DP83867, DP83869

- Microchip: KSZ9031RNX, KSZ9131

- Broadcom: BCM54612E, BCM54616

- Realtek: RTL8211E, RTL8211F

If you need a drop-in or software-compatible replacement for BAB2 specifically, please contact our sales team via Y-IC’s website for tailored recommendations

Key Application Areas

Home and enterprise routers, switches, and gateways

Industrial Ethernet controllers, PLCs, and motion systems

Embedded CPU/SoC boards and SOM/COM modules

Media converters and Ethernet extenders

Networked cameras, recorders, printers, and set-top boxes

Test and measurement equipment with Ethernet connectivity

Datasheet

Y-IC hosts the most authoritative datasheet and technical resources for this product on our website

We recommend downloading the datasheet on the current page for exact package, pinout, timing, power, and design guidelines

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