PHY3980 quad equaliser extends XAUI lanes
Phyworks
PHY3980 quad backplane equaliser chip
Phyworks has launched the PHY3980, a high-performance quad backplane equaliser chip for line cards using IEEE802.3ae XAUI backplane interfaces.
The PHY3980 can drive four 3.125Gbps FR-4 PCB data lanes at distances of up to 60in (1.5m).
It is said to provide designers with the flexibility to extend rack dimensions, increase card density or reduce backplane and connector costs.
The PHY3980 uses Phyworks's continuous time equalisation technology to compensate for all backplane trace losses, between MAC and PMD, or MAC and switch.
The PHY3980 consumes 200mW/channel at a supply voltage of 3.3V driving four active data lanes.
In addition, the chip's dedicated lane shutdown function enables system designers to manage power on a traffic-per-lane basis, further reducing overall power budgets.
Pin compatible with industry standard parts such as the Maxim3980, the PHY3980 is provided in the 11 x 11mm 44-pin QFN package and has an operating temperature rating of 0C to +85C.
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