Hynix HMT351R7BFR4C-PBT8 Datasheet Page 44

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Rev. 1.5 / Mar. 2012 44
Clock, Data, Strobe and Mask Overshoot and Undershoot Specifications
Clock, Data, Strobe and Mask Overshoot and Undershoot Definition
AC Overshoot/Undershoot Specification for Clock, Data, Strobe and Mask
Parameter
DDR3-
800
DDR3-
1066
DDR3-
1333
DDR3-
1600
Units
Maximum peak amplitude allowed for overshoot area (See figure below) 0.4 0.4 0.4 0.4 V
Maximum peak amplitude allowed for undershoot area (See figure below) 0.4 0.4 0.4 0.4 V
Maximum overshoot area above VDD (See figure below) 0.25 0.19 0.15 0.13 V-ns
Maximum undershoot area below VSS (See figure below) 0.25 0.19 0.15 0.13 V-ns
(CK, CK, DQ, DQS, DQS, DM)
See figure below for each parameter definition
Maximum Amplitude
Overshoot Area
VDDQ
VSSQ
Maximum Amplitude
Undershoot Area
Time (ns)
Clock, Data Strobe and Mask Overshoot and Undershoot Definition
Volts
(V)
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