Teledyne LeCroy QPHY-LPDDR2 User Manual

Page 32

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32

QPHY-LPDDR2-OM-G Rev B

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tRPST

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tDIPW

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tQSH

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tQSL

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tQHP

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tQHS for DQx

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tDQSCK

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tVAC for DQx

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tDS/tDH (vref based)

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tHZ(DQ)

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tHZ(DQS)

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tLZ(DQS)

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tLZ(DQ)

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VIHDQ(AC)

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VIHDQ(DC)

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VILDQ(AC)

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VILDQ(DC)

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VOH(ac)

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VOL(ac)

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SRQ diff-rise(DQS)

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SRQ diff – fall(DQS)

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SRQse – Rise

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SRQse –Fall

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Overshoot Amplitude

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Undershoot Amplitude

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Overshoot Area

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Undershoot Area

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Data Eye Height

3) 4 Probe tests

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VIH/VIL on CLK+/- and DQS +/-

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Overshoot and undershoot for CLK +/-

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tDVAC at rising and falling edge for CLK+/-, DQSx+/- and DQx

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VSEH/VSEL(ac) for DQSx+/-

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