Hynix HMT351U7CFR8A-PBT0 Benutzerhandbuch
Rev. 1.1 / Jul. 2013
30
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
DDR3L
-800
DDR3L
-1066
DDR3L
-1333
DDR3L
-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)
Volts
(V)