HMT451V7MFR8A Datasheet, PDF (39/67 Pages) Hynix Semiconductor – DDR3L SDRAM VLP Registered DIMM Based on 4Gb M-die

Clock, Data, Strobe and Mask Overshoot and Undershoot Specifications
AC Overshoot/Undershoot Specification for Clock, Data, Strobe and Mask
Parameter
DDR3L-
800
Maximum peak amplitude allowed for overshoot area. (See Figure below)
0.4
Maximum peak amplitude allowed for undershoot area. (See Figure below)
0.4
Maximum overshoot area above VDD (See Figure below)
0.25
Maximum undershoot area below VSS (See Figure below)
0.25
(CK, CK, DQ, DQS, DQS, DM)
See figure below for each parameter definition
DDR3L-
1066
0.4
0.4
0.19
0.19
DDR3L-
Units
1333
0.4
V
0.4
V
0.15 V-ns
0.15 V-ns
Maximum Amplitude
Overshoot Area
Volts
(V)
VDDQ
VSSQ
Maximum Amplitude
Time (ns)
Undershoot Area
Clock, Data, Strobe and Mask Overshoot and Undershoot Definition
Rev. 1.0 / Aug. 2012
39