HYB18T512400B2C Datasheet, PDF (36/69 Pages) Qimonda AG – 512-Mbit Double-Data-Rate-Two SDRAM

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 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
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9ROWV9
2YHUVKRRW$UHD
9_''
0D[LPXP$PSOLWXGH
9₆₆
8QGHUVKRRW$UHD
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03(7
Rev. 1.12, 2007-05
36
10062006-YPTZ-CDR7