Datacenter Connectivity Solutions


The AlphaCORE Long-Reach (LR) Multi-Standard-Serdes (MSS) IP is a high-performance, low-power, DSP-based PHY. It is a highly configurable IP that supports all leading edge NRZ and PAM data center standards from 1Gbps to 112Gbps, supporting diverse protocols such as PCI-Express Gen1-5 and 1G/10G/25G/50G/100Gbps Ethernet.

The brilliance of the AlphaCORE LR
MSS is in its register configurable DSP
architecture. The AlphaCORE leverages
high-performance A/D converters to
digitize incoming data over copper or
fiber. The AlphaCORE Master
Controller uses complex signal
processing techniques to recover the
signal, while optimizing both power
and latency.

High speed A/D

The AlphaCORE MSS IP employs a high speed A/D
architecture that has configurability for both the A/D
sampling rate as well as the A/D resolution

Sub-sampling clock multiplier

The AlphaCORE CDR employs a wide tuning, sub-samplingclock multiplier that can track over 5000ppm error for both scrambled and 8B/10B encoded data

Master controller

The AlphaCORE DSP Master Controller includes:

  • Combination of firmware training with hardware accelerators to provide full flexibility with minimum power state transition times
  • Non-destructive, in-service eye monitoring

IP subsystem

Alphawave also delivers complete Ethernet and PCIe IP subsystems, including PCS layers and MACs. Our industry leading PHYs and MACs are fully validated and architected for low latency and maximum configurability

Parameter Design Specification
Receive Equalization Designed for closed eye, backplane systems up to 36dB of insertion loss at Nyquist for PAM4 and greater than 40dB of loss for NRZ with NEXT. Includes blind adaptive equalizer and channel estimator
I/O Density The AlphaCORE delivers the world’s highest IO density for Long Reach SerDes – greater than 25Tb/s IO capability can be packed on a die less than 250mm²
Output Driver Swing High performance PAM4 and NRZ output DAC delivers maximum long-reach performance with IO swings greater than 1.2V
Configurability Supports 1, 4, 8, 16 lane configurations, different IP options available for north/south versus east/west orientations. The AlphaCORE also supports multiple rows of stacking for high density applications, and can also support multiple different metal options for SOC flexibility.
Devices Used Standard CMOS digital devices

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