Intel X557-AT/AT2/AT4 10 GbE PHY Datasheet Networking Division (ND) Features: 10GBASE-T Performance Ability to support worst case channels while reducing power and latency when channel characteristics permit: 100 m on augmented CAT 6 (CAT 6A and CAT 7) 55 m on CAT 6 and best-effort using CAT 5e Built-in thermal management capabilities Enables deployment in thermally constrained environments On-die thermal sensor with alarm and warning thresholds Note: Details describing built-in thermal management capabilities will be made available in a future datasheet release. 19 x 19 mm (single/dual port) or 25 x 25 mm (quad port) flip-chip BGA or package Low cost, flexible heat-sinking, and compatible with volume PCB manufacturing: 1 mm ball pitch Low thermal resistance ( ) jc IEEE 802.3an-2008 compliant auto-negotiation Interoperability with existing Ethernet infrastructure External SPI Flash interface High-Performance full KR (with auto-negotiation) / XFI / SGMII I/F with AC-JTAG- Ensures trouble- free operation over a range of interconnect scenarios Loopback Capability Enables extensive system test and debug with remote loopback control Supports numerous loopbacks with pass-through capability Integrated MDI Filter and Advanced RFI Cancellation Patented RFI technology provided improved performance in the presence of RF interference Eliminates external filter components : Order Number: 334279-002 Revision 2.2 June 2017LEGAL No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade. This document contains information on products, services and/or processes in development. All information provided here is subject to change without notice. Contact your Intel representative to obtain the latest forecast, schedule, specifications and roadmaps. The products and services described may contain defects or errors which may cause deviations from published specifications. Copies of documents which have an order number and are referenced in this document may be obtained by calling 1-800-548-4725 or by visiting www.intel.com/design/literature.htm. Intel and the Intel logo are trademarks of Intel Corporation in the U.S. and/or other countries. * Other names and brands may be claimed as the property of others. 2017 Intel Corporation. 2