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TLK2501: Can I replace from TLK2541 to TLK2501 ?

Kiyoung SON
Intellectual 515 points
Part Number: TLK2501
Other Parts Discussed in Thread: TLK1501

Dear TI-er.
My customer want replace TLK2541 to TLK2501.
Can it replace ?

1. Device's Speed
    1) TLK2541 (Obsolete) : 1G to 2.6G
    2) TLK2501 (Active) : 1.5G to 2.5G
    The current system is the data rate of 1.25 Gbps. Can I using TLK2501 to 1.25Gbps speed ?

2. Device's Interface
   1) Is TLK2501 support to EPON2TBI interface ?

3. Device's Co-operation
   1) The current EPON is designed to Broadcom's TK3723 device. Can TLK2501 co-operate with TK3723 ?

4. Device's Clock
    1) TLK2541 (Obsolete) : MIN 100 / MAX 130
    2) TLK2501 (Active) : MIN 75 / MAX 125
    The current system is the clock of 125MHz. Can TLK2501 operate at 125MHz ?

  • 0
    TI__Genius 16150 points
    Hi Kiyoung,

    A1. The TLK2501 was characterized for data rates from 1.5Gbps to 2.5Gbps, hence, we couldn't guarantee that the device can operate normally out of range.

    A2. The TLK1501/2501 does not support Ten-Bit-Interface (TBI) since this device accepts 16bit then convert them into 2 wide bytes for 8b/10b encoding.

    A3. The TLK2501 does not meet your requirements.

    A4. The TLK2501 handles a frequency of 75MHz for minimum data rate and 125MHz for maximum data rate.

    Please take a look into the TLK1211RCP which supports TBI, EPON.

    I hope this helps.

    Best Regards,
    Luis Omar Moran
    High Speed Interface
    SWAT Team