HYB18TC512160BF Datasheet, PDF (32/61 Pages) Qimonda AG – 512-Mbit Double-Data-Rate-Two SDRAM

Internet Data Sheet
HYB18TC512[16/80]0BF
512-Mbit Double-Data-Rate-Two SDRAM
TABLE 34
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins
Parameter
DDR2–400 DDR2–533 DDR2–667 DDR2–800 Unit
Maximum peak amplitude allowed for overshoot area
0.9
0.9
0.9
0.9
V
Maximum peak amplitude allowed for undershoot area
0.9
0.9
0.9
0.9
V
Maximum overshoot area above V_DDQ
Maximum undershoot area below V_SSQ
0.38
0.28
0.23
0.23
V.ns
0.38
0.28
0.23
0.23
V.ns
FIGURE 7
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
9ROWV9
0D[LPXP$PSOLWXGH
2YHUVKRRW$UHD
9_''4
0D[LPXP$PSOLWXGH
9₆₆₄
8QGHUVKRRW$UHD
7LPHQV
03(7
Rev. 1.11, 2006-09
32
03292006-HDLH-OAY6