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Teledyne LeCroy QPHY-LPDDR2 User Manual

Page 32

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32

QPHY-LPDDR2-OM-G Rev B

tRPST

tDIPW

tQSH

tQSL

tQHP

tQHS for DQx

tDQSCK

tVAC for DQx

tDS/tDH (vref based)

tHZ(DQ)

tHZ(DQS)

tLZ(DQS)

tLZ(DQ)

VIHDQ(AC)

VIHDQ(DC)

VILDQ(AC)

VILDQ(DC)

VOH(ac)

VOL(ac)

SRQ diff-rise(DQS)

SRQ diff – fall(DQS)

SRQse – Rise

SRQse –Fall

Overshoot Amplitude

Undershoot Amplitude

Overshoot Area

Undershoot Area

Data Eye Height

3) 4 Probe tests

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

Overshoot and undershoot for CLK +/-

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

VSEH/VSEL(ac) for DQSx+/-