Internet Data Sheet
HYB18TC1G[80/16]0BF
1-Gbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter contains Overshoot and Undershoot Specification.
TABLE 39
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
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDD
0.9
0.9
0.9
0.9
V
0.9
0.9
0.9
0.9
V
1.33
1.33
1.00
1.00
0.80
0.80
0.66
0.66
V.ns
V.ns
Maximum undershoot area below VSS
FIGURE 5
AC Overshoot / Undershoot Diagram for Address and Control Pins
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966
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0D[LPXPꢌ$PSOLWXGHꢌꢌ
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03(7ꢀꢅꢀꢀ
Rev. 1.21, 2007-07
32
02282007-F8UP-4HSU
QIMONDA [ QIMONDA AG ]
