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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 VDD
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
0.80
0.80
0.80
0.80
0.80
V.ns
V.ns
Maximum undershoot area below VSS
FIGURE 4
AC Overshoot / Undershoot Diagram for Address and Control Pins
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Rev. 1.43, 2006-11
24
03292006-L40N-L04G
QIMONDA [ QIMONDA AG ]
