w9425g8dh Winbond Electronics Corp America, w9425g8dh Datasheet - Page 31
w9425g8dh
Manufacturer Part Number
w9425g8dh
Description
8m ? 4 Banks ? 8 Bits Ddr Sdram
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W9425G8DH.pdf
(53 pages)
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10.6 Table 6: Output Slew Rate Matching Ratio Characteristics
10.7 Table 7: AC Overshoot/Undershoot Specification for Address and Control
must be less than or equal to Max. area in Figure 3
must be less than or equal to Max. area in Figure 3
Output Slew Rate Matching Ratio
The area between the undershoot signal and GND
SLEW RATE CHARACTERISTIC
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD
Maximum peak amplitude allowed for overshoot
Pins
(Pullup to Pulldown)
PARAMETER
Figure 3: Address and Control AC Overshoot and Undershoot Definition
PARAMETER
MIN.
0.67
DDR400
MAX.
- 31 -
1.5
MIN.
0.67
3.0 V-nS
3.0 V-nS
DDR400
DDR333
1.5 V
1.5 V
MAX.
Publication Release Date: Nov. 20
1.5
SPECIFICATION
3.6 V-nS
3.6 V-nS
DDR333
MIN.
0.67
1.5 V
1.5 V
DDR266
MAX.
1.5
4.5 V-nS
4.5 V-nS
DDR266
Revision A4
1.5 V
1.5 V
NOTES
e, m
,
2007
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