Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Broadcom® BCM85821 is the industry's highest performing and lowest power 800GbE PAM-4 PHY transceiver, capable of driving four-channel 226-Gb/s PAM-4 at 113 Gbaud. Both 400GB DR1.2 and 1.6GB DR4.2 are supported.

The BCM85821 integrates a highly differentiated feature set, including market-leading FEC feature options and client-side switch ASIC SerDes interoperability, providing an unmatched competitive advantage to the market.

Features

Single-chip 4 × 200G PAM-4 PHY drives 800GbE over optics:

Client side: 8 × 106G PAM-4

Line side: 4 × 226G PAM-4 (128,120 inner code with 2-bit padding)

Supports forward gearbox for backward compatibility with 400G optical modules:

Client side: 8 × 53G PAM-4

Line side: 4 × 106G PAM-4

Supports client-side crossbar for flexible routing to various standards

Supports 100G repeater mode

Supports FEC monitoring in the repeater modes with a subsampling feature available for reduced power

Supports FEC termination and generation

Supports differential line-side output

TX FIR support on both sides, line side (10 tap) and client side (7 tap)

Client-side interface compliant with:

IEEE 802.3ck C2C (Annex 135F) specification supporting medium-reach channels

IEEE 802.3ck C2M (Annex 135G) specification supporting chip-to-module channels

CEI-112G-VSR/MR specification supporting shortreach (VSR) and medium-reach (MR) channels

IEEE 802.3cd standard-compliant KP4 and end-to-end FEC bypass operation: – 800G/400G/200G/100G KP4 FEC

Link-training support available on client side

Line-side and client-side loopbacks

Lowest-power 5-nm CMOS design

Integrated AVS regulator

• 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.