HYB18TC512160BF Datasheet, PDF (31/61 Pages) Qimonda AG – 512-Mbit Double-Data-Rate-Two SDRAM

Internet Data Sheet
HYB18TC512[16/80]0BF
512-Mbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter describes the Overshoot and Undershoot Specification.
TABLE 33
AC Overshoot / Undershoot Specification for Address and Control 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_DD
Maximum undershoot area below V_SS
1.33
1.00
0.80
0.80
V.ns
1.33
1.00
0.80
0.80
V.ns
FIGURE 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
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9_''
0D[LPXP$PSOLWXGH
9₆₆
8QGHUVKRRW$UHD
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03(7
Rev. 1.11, 2006-09
31
03292006-HDLH-OAY6