Internet Data Sheet
HY[B/I]18T512[40/80/16]0B2[C/F](L)
512-Mbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
This chapter contains overshoot and undershoot specification.
TABLE 36
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
0D[LPXPꢌ$PSOLWXGHꢌꢌ
9ROWVꢌꢎ9ꢏ
2YHUVKRRWꢌ$UHD
9''
966
8QGHUVKRRWꢌ$UHD
0D[LPXPꢌ$PSOLWXGHꢌꢌ
7LPHꢌꢎQVꢏ
03(7ꢀꢆꢀꢀ
Rev. 1.12, 2007-05
36
10062006-YPTZ-CDR7
QIMONDA [ QIMONDA AG ]
