W9464G6IH Datasheet, PDF (32/54 Pages) Winbond – 1M × 4 BANKS × 16 BITS DDR SDRAM

W9464G6IH
10.6 Table 6: Output Slew Rate Matching Ratio Characteristics
SLEW RATE CHARACTERISTIC
PARAMETER
Output Slew Rate Matching Ratio
(Pullup to Pulldown)
DDR500
MIN. MAX.
0.67 1.5
DDR400
MIN. MAX.
0.67 1.5
DDR333
MIN. MAX.
0.67 1.5
NOTES
e, m
10.7 Table 7: AC Overshoot/Undershoot Specification for Address and Control
Pins
PARAMETER
DDR500
SPECIFICATION
DDR400
DDR333
Maximum peak amplitude allowed for overshoot
1.5 V
1.5 V
1.5 V
Maximum peak amplitude allowed for undershoot
1.5 V
1.5 V
1.5 V
The area between the overshoot signal and VDD
must be less than or equal to Max. area in Figure 3
3.0 V-nS
3.0 V-nS
3.6 V-nS
The area between the undershoot signal and GND
must be less than or equal to Max. area in Figure 3
3.0 V-nS
3.0 V-nS
3.6 V-nS
VDD
Overshoot
5
4
Max. amplitude = 1.5V
3
2
Max. area
1
0
-1
-2
Max. amplitude = 1.5V
-3
GND
-4
-5
0 0.5 0.68751.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.06.3125 6.5 7.0
Time (nS)
Undershoot
Figure 3: Address and Control AC Overshoot and Undershoot Definition
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Publication Release Date:Mar. 17, 2010
Revision A04