TLK 10034 supports Adaptive EDC

Hi Pradeep,

The TLK10034 implements a DFE and FFE on it receiver which performs a similar function to that of a EDC but it is not true EDC.

The TLK10034 is a KR device that meets all of the requirements for the KR standard. Please let me know if you have any other questions?

Regards,

Michael Peffers

Analog Applications Engineer

HI Michael,

   Adaptive EDC also uses DEF and FFE right? TLK10034 still doesn't support EDC, which other blocks it ignores in EDC?

   And all other manufactures have maximum two channel XAUI to 10GBASE-KR in around & > 20x20mm size but TLK10034 supports 4 channels of this connectivity with very less IC dimensions, Does it support all the standard MAC to Media connectivity? Any other blocks are removed?

   We would like to use this IC for XAUI(MAC) to 10Gbase-KR (Backplane) conversion in our design for four channel.

Please clarify can we go ahead with this device?

Hi Pradeep,

The TLK10034 is a 4 channel SerDes developed to support KR applications, we have many customers using this device in this application space.

EDC is meant to support applications that incorporate multi mode fibers that produce a different kind of dispersion than a backplane is going to produce. The TLK10034 does interface in optical or electrical application we simply do not implement EDC.

The TLK10034 supports the MAC to media connectivity with the die and package size you see, I am not real familiar with other devices outside the TI family so I cannot comment on if another vendors IC has additional blocks within them. Other vendors may incorporate additional features in them that are not required by the IEEE802.3 standard which may cause their die size to be larger and use more power. Or they may have just designed their IC that way?

So again the TLK10034 is a 4 channel XAUI to KR device that will fit into you application space. We also have a 2 channel XAUI to KR device with a built in x-point switch that is very useful. Please see the TLK10232 for the data sheet on that part. We offer evaluation modules for both the TLK10034 and the TLK10232 so that you can do your own inspection of the devices in your lab. The EVMs can be found in the product folders for each part. Thank you and please let me know if I can answer any more questions?

Regards,

Michael Peffers

Analog Applications Engineer 

Hi Michael,

    Thank you for the reply.

        Does this device implements CDR (Clock data recovery), as this block was not mentioned in block diagram, and when I check with local TI person, he is suggesting to use Retimer after this IC. Is it necessary to use Retimer again or IC does this function.

Thanks and Regards,                                                                                                                                                                     Pradeep Raj.

Hi Pradeep,

The TLK10034 does implement a CDR. The CDR of the HS/LS receiver recovers the clock from the incoming data stream and retimes the data. From this the HS and LS receivers will make two version of the recovered clock that can be output through the the HSRX(x)p-n or LSx_CLKOUTp-n pins. This clock can be used to clock other items within the system for synchronous operation.

There is no need to implement a retimer after this part.

Regards,

Michael Peffers

High Speed Interface Applications Engineer

HI,

  I would like to know if there is any document for the internal pin/package delay for this device(TLK10034). If available please provide me. As we need to match the differential pair signal using these values.

Regards,

Pradeep.