HYB18T1G400BF_07 Datasheet, PDF (40/74 Pages) Qimonda AG – 1-Gbit Double-Data-Rate-Two SDRAM

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 0.9
0.9
0.9
0.9
V
Maximum peak amplitude allowed for undershoot area 0.9
0.9
0.9
0.9
V
Maximum overshoot area above V_DD
Maximum undershoot area below V_SS
1.33
1.00
0.80
0.66
V.ns
1.33
1.00
0.80
0.66
V.ns
FIGURE 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
0D[LPXP$PSOLWXGH
9ROWV9
2YHUVKRRW$UHD
9_''
0D[LPXP$PSOLWXGH
9₆₆
8QGHUVKRRW$UHD
7LPHQV
03(7
Rev. 1.3, 2007-07
40
03062006-ZNH8-HURV