Internet Data Sheet
HY[B/I]18T1G[40/80/16]0C2[C/F]
1-Gbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter contains Overshoot and Undershoot Specification.
TABLE 31
AC Overshoot / Undershoot Specification for Address and Control Pins
Parameter
DDR2-400
DDR2-533
DDR2-667
DDR2-800
DDR2-1066 Unit
Maximum peak amplitude allowed for
overshoot area
0.9
0.9
0.9
0.9
0.9
V
Maximum peak amplitude allowed for
undershoot area
0.9
0.9
0.9
0.9
0.9
V
Maximum overshoot area above VDD
1.33
1.00
1.00
0.8
0.8
0.66
0.66
0.5
0.5
V-ns
V-ns
Maximum undershoot area below VSS 1.33
FIGURE 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
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9''
966
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0D[LPXPꢌ$PSOLWXGHꢌꢌ
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03(7ꢀꢄꢀꢀ
Rev. 1.02, 2008-01
36
09262007-3YK7-BKKG
QIMONDA [ QIMONDA AG ]
