Broadcom 7-nm 16x56-Gb/s PAM-4 Duplex PHY

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Broadcom 7-nm 16x56-Gb/s PAM-4 Duplex PHY - BCM87728A0KFSBG

The Broadcom BCM87728 is a single-chip 8 × 53.125-Gb/s PAM-4 to 16 × 25.78125 Gb/s NRZ reverse gearbox PHY that supports both the PAM-4 and NRZ data formats. It also supports various operation modes, such as the Retimer, Forward, and Reverse Gearbox modes. It also supports the 10G, 25G, 40G, 50G, 100G, 200G, and 400G line-card applications. The on-chip clock synthesis is performed by a low-cost reference clock through high-frequency, low-jitter phase-locked loops (PLLs). The BCM87728 is fabricated in advanced low-power 7-nm CMOS technology. The BCM87728 is available in a 23 mm × 23 mm, 0.8-mm pitch, 729-ball BGA, RoHS-compliant package.

Features

Host-side interface: – Long reach (LR): ~30 dB
Line-side interface: – KR – CR – Chip-to-module (C2M) compliant
Retimer, Forward, and Reverse Gearbox modes
Flexible crossbar
Supports forward error correction (FEC)
Supports Mux and Broadcasting modes
Supports 400G-CR8 mode
Integrated AC-coupling capacitors at host-side and line-side receiver
Multiple standard and line rate support for both PAM-4 and NRZ
Continuous auto-adaptive equalizer
Line- and system-side loopbacks
PRBS generator/error checker
Eye monitoring per lane accessed through MDIO
Dual low-cost REFCLK inputs
Recovered clock output
Interoperates with Broadcom ASIC and merchant switch silicon
Low-power 7-nm CMOS design
23 mm × 23 mm BGA, 0.8-mm ball pitch package

Applications

ASIC-to-module 8 × 56-Gb/s to 16 × 25-Gb/s front-panel interface • High-density 10G, 25G, 40G, 50G, 100G, 200G, and 400G frontpanel and backplane line-card applications

DATASHEET

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Custom Field

MPN BCM87728A0KFSBG

Lifecycle Active

Distributor Inventory No

PHY Type 100GE

Ambient Temperature 0°C to 70°C

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Broadcom 7-nm 16x56-Gb/s PAM-4 Duplex PHY - BCM87728A0KFSBG