HYB18T512400AF Datasheet, PDF (34/58 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
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
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 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
9'' 
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966 
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Rev. 1.71, 2007-01
34
03062006-CPCN-4867