Broadcom 7nm 100GbE PAM-4 DSP Optical PHY (4:1) or (2:1) with Direct-Drive - BCM87101
The Broadcom BCM87101 is the industry’s lowest power single-chip 100GbE PAM-4 PHY transceiver capable of directly driving 106-Gb/s PAM-4 at 53 Gbaud, while supporting DR and FR optical links. The BCM87101 converts two lanes of 53 Gb/s (at 26-Gbaud PAM-4) or four lanes of 25-Gb/s NRZ from the system side into one lane of 106 Gb/s (at 53-Gbaud PAM-4) to drive next-generation high-density optical PAM-4 links inside QSFP28 and SFP-DD form-factor modules.
The BCM87101 device is available in a 9 mm × 8 mm,0.5-mm pitch, 255-ball BGA, RoHS-compliant package. The BCM87101 is pin-to-pin compatible with the BCM87103 device.
- Single-chip 100G PAM-4 PHY drives 100GbE over optics
- System side: 2 × 53G PAM-4 or 4 x 25G NRZ
- Line side: 1 × 106G PAM-4
- Supports 111.8G 100G OTN modes with a 164.425706-MHz reference clock:
- Supports industry standards, including 100G-MSA draft 1.0
- Supports differential line-side output
- Supports Direct-Drive with 1.5-Vpp single-ended or 3.0-Vpp differential line-side output
- Client-side interface compliance:
- IEEE 802.3bs standard-compliant KP4 and end-to-end FEC bypass operation
- Integrated voltage regulators for best-in-class power efficiency, reduced PCB routing, and lowest BOM costs
- Built-in negotiation and detection engine
- Line-side and system-side loopbacks
- Lowest-power 7-nm CMOS design
Applications
- Wired network infrastructure
- Hyperscale data center deployments inside 100G QSFP28/SFP-DD optical modules for 100G DR and 100G FR
- Co-packaged optical solutions
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