HYB18T512400AF Datasheet, PDF (35/58 Pages) Infineon Technologies AG – 512-Mbit DDR2 SDRAM

Internet Data Sheet
HYB18T512[40/80/16]0AF(L)–[3/3S/3.7/5]
512-Mbit DDR2 SDRAM
TABLE 34
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins
Parameter
DDR2-400
DDR2-533
DD2-667
Unit
Maximum peak amplitude allowed for overshoot area
0.9
Maximum peak amplitude allowed for undershoot area
0.9
Maximum overshoot area above V_DDQ
0.38
Maximum undershoot area below V_SSQ
0.38
0.9
0.9
V
0.9
0.9
V
0.28
0.23
V.ns
0.28
0.23
V.ns
FIGURE 7
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
0D[LP XP$PSOLWXGH
9'' 4
2YH UVK RRW$UH D
966 4 
0D[LP XP$PSOLWXGH
7LP HQV
8Q GHUV KRRW$ UH D
Rev. 1.71, 2007-01
35
03062006-CPCN-4867