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MAX3243E, how is the pulse skew maximum value

Shinichi Inoue
Guru 22311 points

Other Parts Discussed in Thread: MAX3243E

Dear Specialists,

My customer is considering to use MAX3243E.

He wants to know pulse skew maximum value because it is essential for worst case designing.

According to the MAX3243E datasheet, pulse skew of driver tsk(p) is 100ns(typ) and receiver tsk(p) is 50ns(typ).

In both cases, the maximum value is not specified.

Could you advise him.

It's ok either design value or proven value.  

I appreciate your great help.

Best regards,

Shinichi

  • 0
    TI__Guru**** 171486 points

    Shinichi-san,

    Here is statistical skew data for 75 drivers. Units are nano seconds

    Temperature Mean StdDev MIN MAX
    -40 -157.4 18.18 -198.1 -113.5
    0 -136.3 13.93 -166.9 -100.0
    25 -125.9 13.34 -153.8 -92.0
    70 -113.5 12.70 -146.9 -80.1
    85 -111.3 12.09 -140.6 -78.3

    Here is statistical skew data for 125 receivers. Units are nano seconds

    Temperature Mean StdDev MIN MAX
    -40 -64.6 4.20 -72.0 -56.5
    0 -48.1 4.13 -54.4 -40.1
    25 -39.3 4.07 -45.7 -31.8
    70 -27.4 3.98 -33.8 -20.4
    85 -23.8 4.01 -30.7 -16.6

  • 0 in reply to Ron Michallick
    Guru 22311 points
    Dear Ron

    Thank you for your prompt reply.

    I am going to send your answer to the customer.

    If he has additional question, I'll consult with you.

    I appreciate your great help.

    Best regards,
    Shinichi