Hynix HMT351R7AFR8A-H9T7 User Manual
APCPCWM_4828539:WP_0000005WP_0000005
A
P
C
P
C
W
M
_4828539:
W
P
_0000005W
P
_000000
5
Rev. 1.0 / Aug. 2010
45
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 DDR3-1066DDR3-1333 Units
Maximum peak amplitude allowed for overshoot area. (See figure below)
0.4
0.4
0.4
V
Maximum peak amplitude allowed for undershoot area. (See figure below)
0.4
0.4
0.4
V
Maximum overshoot area above VDD (See figure below)
0.25
0.19
0.15
V-ns
Maximum undershoot area below VSS (See figure below)
0.25
0.19
0.15
V-ns
(CK, CK, DQ, DQS, DQS, DM)
M axim um A m plitude
O vershoot A rea
V D D Q
V SSQ
M axim um A m plitu de
U ndershoot A rea
T im e (ns)
Clock, D ata Strobe and M ask O vershoot and U ndershoot D efinition
V olts
(V )
B48614/178.104.2.80/2010-08-12 13:01