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W9425G8EH Datasheet, PDF (31/53 Pages) Winbond – 8M × 4 BANKS × 8 BITS DDR SDRAM
W9425G8EH
10.6 Table 6: Output Slew Rate Matching Ratio Characteristics
SLEW RATE CHARACTERISTIC
PARAMETER
Output Slew Rate Matching Ratio
(Pullup to Pulldown)
DDR400
MIN. MAX.
0.67 1.5
DDR333
MIN. MAX.
0.67 1.5
DDR266
MIN. MAX.
0.67 1.5
NOTES
e, m
10.7 Table 7: AC Overshoot/Undershoot Specification for Address and Control
Pins
PARAMETER
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD
must be less than or equal to Max. area in Figure 3
The area between the undershoot signal and GND
must be less than or equal to Max. area in Figure 3
DDR400
1.5 V
1.5 V
3.0 V-nS
SPECIFICATION
DDR333
1.5 V
1.5 V
3.6 V-nS
DDR266
1.5 V
1.5 V
4.5 V-nS
3.0 V-nS
3.6 V-nS
4.5 V-nS
Figure 3: Address and Control AC Overshoot and Undershoot Definition
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Publication Release Date: Jul. 04, 2008
Revision A01