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HYB18T512161BF Datasheet, PDF (25/41 Pages) Qimonda AG – 512-Mbit x16 DDR2 SDRAM | |||
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Internet Data Sheet
HYB18T512161BFâ20/22/25/28/33
512-Mbit Double-Data-Rate-Two SDRAM
TABLE 27
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins
Parameter
â20
â22
â25
â28
â33
Unit
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDDQ
Maximum undershoot area below VSSQ
0.9
0.9
0.9
0.9
0.9
V
0.9
0.9
0.9
0.9
0.9
V
0.23 0.23 0.23 0.23 0.23 V.ns
0.23 0.23 0.23 0.23 0.23 V.ns
FIGURE 5
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
0D[LP XP$PSOLWXGH
2YH UVK RRW$UH D
9'' 4
966 4
0D[LP XP$PSOLWXGH
7LP HQV
8Q GHUV KRRW$ UH D
Rev. 1.43, 2006-11
25
03292006-L40N-L04G
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