HYB18TC1G800AF Datasheet, PDF (29/54 Pages) Qimonda AG – 1-Gbit DDR2 SDRAM

Internet Data Sheet
HYB18TC1G[80/16]0AF
1-Gbit DDR2 SDRAM
5.6
Overshoot and Undershoot Specification
TABLE 32
AC Overshoot / Undershoot Specification for Address and Control 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_DD
1.33
Maximum undershoot area below V_SS
1.33
0.9
0.9
V
0.9
0.9
V
1.00
0.80
V.ns
1.00
0.80
V.ns
FIGURE 5
AC Overshoot / Undershoot Diagram for Address and Control Pins
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Rev. 1.11, 2006-09
29
03292006-PJAE-UQLG