Internet Data Sheet
HY[B/I]18T1G[40/80/16]0B[C/F](L/V)
1-Gbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter contains overshoot and undershoot specification.
TABLE 44
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 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
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Rev. 1.3, 2007-07
40
03062006-ZNH8-HURV
QIMONDA [ QIMONDA AG ]
