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89HPES48T12 - PCI Express Switch

General Description

Utilizing standard PCI Express interconnect, the PES48T12 provides the most efficient connectivity solution for applications requiring high throughput, low latency, and simple board layout with a minimum number of board layers.

Key Features

  • High Performance PCI Express Switch.
  • Twelve switch ports.
  • Six main ports each of which consists of 8 SerDes.
  • Each x8 main port can further bifurcate to 2 x4-ports.
  • Forty-eight 2.5 Gbps embedded SerDes.
  • Supports pre-emphasis and receive equalization on per-port basis.
  • Delivers 192 Gbps (24 GBps) of aggregate switching capacity.
  • Low-latency cut-through switch architecture.
  • Support for Max Payload Size up to 2048 bytes.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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48-Lane 12-Port PCI Express® Switch ® 89HPES48T12 Data Sheet Device Overview The 89HPES48T12 is a member of the IDT PRECISE™ family of PCI Express® switching solutions. The PES48T12 is a 48-lane, 12-port peripheral chip that performs PCI Express packet switching with a feature set optimized for high-performance applications such as servers, storage, and communications/networking. It provides connectivity and switching functions between a PCI Express upstream port and up to eleven downstream ports and supports switching between downstream ports. Features ◆ High Performance PCI Express Switch – Twelve switch ports • Six main ports each of which consists of 8 SerDes • Each x8 main port can further bifurcate to 2 x4-ports – Forty-eight 2.