Broadcom 28-nm Dual 100G MACsec Retimer PHY - BCM82391AKFSBG
The Broadcom BCM82391 is a single-chip low-power, high-density PHY integrating IEEE 802.1AE MACSec GCM-AES-256b encryption, IEEE 1588 and retimer functions supporting 100-Gigabit Ethernet (GbE), 50 GbE, 40 GbE, 25GbE & 10GbE applications. In 100G, the BCM82391 supports two full-duplex 100G ports for SR4, LR4, CR4, ER4 applications. On-chip clock synthesis is performed by a low-cost 156.25 MHz reference clock via high-frequency, low jitter phase-locked loops (PLLs). The BCM82391 is available in a RoHS-compliant package.
Features
- Dual 100G port with CAUI4-to-CAUI4 supports retimer/equalization/MACSec encryption functions in SR4, LR4, CR4, ER4 applications
- Supports IEEE 1588 timestamping and ITU-T Y.1731 with Sync-E recovered clocks
- Support 100G CL91 FEC for 802.3bj and 25G CL74/108 FEC for 802.3by applications
- Integrated host side AC-coupling caps
- Line-side and client-side loopbacks
- Dual Supply - 1.0V and 1.8V/2.5V/3.3V
Applications
- Support IEEE 802.1AE (dataplane) and IEEE 802.1AEbw-2013, including GCS-AES-256 and GCM-AES-128
- MACSec encryption on high-speed 10G/25G/40G/50G/100G front panel line cards
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