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The Marvell® Alaska® C 88X5123-A1-BVU4C000 is a high-performance Ethernet transceiver that performs all of the physical layer functions required to drive 100G, 50G, 40G, 25G, 10G, 5G, 2.5G, and 1G Ethernet over a variety of media, including optical, backplane, and passive copper cables.The Alaska C The 88X5123 is fabricated using 28 nanometer (nm) lithography in a 17mmx17mm 256-pin FCBGA small form factor package, enabling low-power, high-density 100GbE, 50GbE and 25GbE line card designs.

The 88X5123's line and host interfaces are fully compliant with the IEEE 802.3bj and IEEE 802.3by standards for 100Gb and 25Gb Ethernet operation. The device supports all FEC configurations specified in the IEEE 802.3bj and 802.3by standards and the 25/50G Ethernet Alliance. The device also supports auto-negotiation and coefficient training protocols required by the IEEE 802.3 and 25/50G Alliance specifications for dual-axis cable and backplane applications.

The device supports gearbox functionality from 40GBase-R2 to 40GBase-R4, enabling high-density 40GbE applications on switch ASICs with native 25G inputs/outputs. For applications that do not require FEC functionality, the device also supports a low-latency retimer mode where PCS and FEC-related functions are bypassed. In this mode, the 88X5123 supports holeless operation from 1.25Gbps to 28.05Gbps to support a variety of standards and rates. The device includes an internal PRBS generator and loopback to assist in testing and debugging. In addition, all high-speed I/Os support non-destructive eye monitoring.

Key Features

Fully compliant to IEEE 802.3by standard for 25GbE

Fully compliant to IEEE 802.3j standard for 100GbE

Support for 25G/Consortium mode of operation

Long Reach Host and Line serdes

Integrated 100G/25G FEC on both host and line interfaces

Integrated IEEE Auto-negotiation and Training protocol 

Low latency retimer mode

Programmable lane swap capability

Two separate reference clock inputs with independent clock divide ratios

Non-destructive eye monitoring capability on all high speed lanes

Target Applications

100GbE/50GbE/25GbE data centre switches

High-density 40GbE switch designs

100G-KR4/25G-KR Backplanes

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.