1Gb: x4, x8, x16 DDR3 SDRAM
Electrical Specifications – DC and AC
AC Overshoot/Undershoot Specification
Table 25: Control and Address Pins
Parameter
DDR3-800
DDR3-1066 DDR3-1333 DDR3-1600 DDR3-1866 DDR3-2133
Maximum peak amplitude al-
lowed for overshoot area
(see Figure 16)
0.4V
0.4V
0.4V
0.4V
0.4V
0.4V
Maximum peak amplitude al-
lowed for undershoot area
(see Figure 17)
0.4V
0.4V
0.4V
0.4V
0.4V
0.4V
Maximum overshoot area above
0.67 Vns
0.67 Vns
0.5 Vns
0.5 Vns
0.4 Vns
0.4 Vns
0.33 Vns
0.33 Vns
0.28 Vns
0.28 Vns
0.25 Vns
0.25 Vns
VDD (see Figure 16)
Maximum undershoot area be-
low VSS (see Figure 17)
Table 26: Clock, Data, Strobe, and Mask Pins
Parameter
DDR3-800
DDR3-1066 DDR3-1333 DDR3-1600 DDR3-1866 DDR3-2133
Maximum peak amplitude al-
lowed for overshoot area
(see Figure 16)
0.4V
0.4V
0.4V
0.4V
0.4V
0.4V
Maximum peak amplitude al-
lowed for undershoot area
(see Figure 17)
0.4V
0.4V
0.4V
0.4V
0.4V
0.4V
Maximum overshoot area above
0.25 Vns
0.25 Vns
0.19 Vns
0.19 Vns
0.15 Vns
0.15 Vns
0.13 Vns
0.13 Vns
0.11 Vns
0.11 Vns
0.10 Vns
0.10 Vns
VDD/VDDQ (see Figure 16)
Maximum undershoot area be-
low VSS/VSSQ (see Figure 17)
Figure 16: Overshoot
Maximum amplitude
Overshoot area
Volts (V)
VDD/VDDQ
Time (ns)
Figure 17: Undershoot
V /V
SS SSQ
Volts (V)
Undershoot area
Maximum amplitude
Time (ns)
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf - Rev. L 03/13 EN
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