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IDT has expanded its range of packet-exchange flow-control management devices to include three system packet interface (SPI) devices that are designed to solve interconnect problems in Core/Metro/Edge-based networking markets.

IDT has expanded its range of packet-exchange flow-control management devices to include three system packet interface (SPI) devices that are designed to solve interconnect problems in Core/Metro/Edge-based networking markets.

 

The family supports 10Gbit/s packet processing and has options for logical port density and buffering capabilities, ranging from low latency SPI-4-to-SPI-4 switching through complex flow-control designs requiring SPI-4 data overbooking and aggregation.

 
Incorporating three SPI-4 ports, the devices can connect multiple network hardware elements such as network processor units, co-processors, traffic managers, multi-gigabit framers and physical interfaces (PHYs), and switch-fabric interface devices.   

 

Each device within the family is targeted at a specific application.  The IDT88K8486 is intended for simple data switching and aggregation in applications where less than 16 channels, fast backpressure response and adequate buffers in the attached SPI-4 devices are available.  The IDT88K8487 is for connecting two 24-port 10/100/1000 Ethernet MACs to a single SPI-4 NPU.

 

The IDT88K8483 is available for designs requiring additional buffering and packet processing due to traffic consisting of “jumbo” Ethernet frames. 

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