Internet Data Sheet
HYB18T1G[40/80/16]0C4F
1-Gbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter contains Overshoot and Undershoot Specification.
TABLE 30
AC Overshoot / Undershoot Specification for Address and Control Pins
Parameter
DDR2-667
DDR2-800
Unit
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDD
0.5
0.5
0.8
0.8
0.5
V
0.5
V
0.66
0.66
V-ns
V-ns
Maximum undershoot area below VSS
FIGURE 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
0D[LPXPꢋ$PSOLWXGHꢋꢋ
9ROWVꢋꢍ9ꢎ
2YHUVKRRWꢋ$UHD
9''
966
8QGHUVKRRWꢋ$UHD
0D[LPXPꢋ$PSOLWXGHꢋꢋ
7LPHꢋꢍQVꢎ
03(7ꢀꢅꢀꢀ
Rev. 1.01, 2008-11
34
04212008-66HT-ZLFE
QIMONDA [ QIMONDA AG ]
