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BCM85658 (PCIe Switches): 5-nm 8-Lane PCIe Gen5 and CXL 2.0 Retimer

Overviews:

BCM85658 is a 8-lane, low-power, low-latency, symmetrical PCIe Gen5, and CXL 2.0 integrated MAC and PHY retimer. This device extends the reach between a root complex (RC) and endpoint (EP) by >40 dB of loss on both the sides at 32 GT/s. Each lane is capable of multiple data rates, including Gen5 (32G), Gen4 (16G), Gen3 (8G), Gen2 (4G), and Gen1 (2.5G). The bifurcation mux and MAC support groups of 1x 8 lanes, 2x 4 lanes, and 4x 2 lanes.

For a low-latency application, the user can bypass the mux and MAC. The data path goes directly from SerDes to SerDes. To compensate for link loss, the BCM85658 performs link training (LT) to automatically set the optimal TX-FIR settings. The receiver features integrated and dynamic peaking filter, VGA, DFE, and CDR for signal recovery. The BCM85658 uses a low-cost standard PCIe 100-MHz reference clock.

BCM85658 - Key Features:

• Operates at 32, 16, 8, 5, and 2.5 GT/s

• Supports parallel lane groupings per transfer:

− Eight lanes can be statically configured as a selected subset of the following combinations:

− One 8-lane link (1x 8)

− Two 4-lane links (2x 4)

− Four 2-lane links (4x 2)

• Supports low-latency mode

• Extends reach to >40 dB at 32 GT/s

• Receiver is capable of operating at data rates with REFCLK, independent of transmitter

• Supports LT when connected with an LT-capable link partner

• Provides an adjustable loss-ofsignal (LOS) detector

• 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.