Internet Data Sheet
HYB18TC1G[80/16]0BF
1-Gbit Double-Data-Rate-Two SDRAM
TABLE 40
AC Overshoot / Undershoot Spec. for Clock, Data, Strobe and Mask Pins
Parameter
DDR2-400
DDR2-533
DDR2-667
DDR2-800
Unit
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDDQ
0.9
0.9
0.9
0.9
V
0.9
0.9
0.9
0.9
V
0.38
0.38
0.28
0.28
0.23
0.23
0.23
0.23
V.ns
V.ns
Maximum undershoot area below VSSQ
FIGURE 6
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
0D[LPXPꢌ$PSOLWXGHꢌꢌ
9ROWVꢌꢎ9ꢏ
2YHUVKRRWꢌ$UHD
9''4
9664
8QGHUVKRRWꢌ$UHD
0D[LPXPꢌ$PSOLWXGHꢌꢌ
7LPHꢌꢎQVꢏ
03(7ꢀꢇꢉꢀ
Rev. 1.21, 2007-07
33
02282007-F8UP-4HSU
QIMONDA [ QIMONDA AG ]
