Internet Data Sheet
HYB18T1G[40/80/16]0C4F
1-Gbit Double-Data-Rate-Two SDRAM
TABLE 31
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins
Parameter
DDR2-667
DDR2-800
Unit
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDDQ
0.5
0.5
V
0.5
0.5
V
0.23
0.23
0.23
0.23
V-ns
V-ns
Maximum undershoot area below VSSQ
FIGURE 7
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
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Rev. 1.01, 2008-11
35
04212008-66HT-ZLFE