HYB18T512161BF Datasheet, PDF (24/41 Pages) Qimonda AG – 512-Mbit x16 DDR2 SDRAM

Internet Data Sheet
HYB18T512161BF–20/22/25/28/33
512-Mbit Double-Data-Rate-Two SDRAM
5.6
Overshoot and Undershoot Specification
TABLE 26
AC Overshoot / Undershoot Specification for Address and Control Pins
Parameter
–20
–22
–25
–28
–33
Unit
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above V_DD
Maximum undershoot area below V_SS
0.5
0.5
0.5
0.5
0.5
V
0.5
0.5
0.5
0.5
0.5
V
0.80 0.80 0.80 0.80 0.80 V.ns
0.80 0.80 0.80 0.80 0.80 V.ns
FIGURE 4
AC Overshoot / Undershoot Diagram for Address and Control Pins
0D[LP XP$PSOLWXGH
2YH UVK RRW$UH D
9'' 
966 
0D[LP XP$PSOLWXGH
7LP HQV
8Q GHUV KRRW$ UH D
Rev. 1.43, 2006-11
24
03292006-L40N-L04G