w9425g6jh Winbond Electronics Corp America, w9425g6jh Datasheet - Page 31
w9425g6jh
Manufacturer Part Number
w9425g6jh
Description
4 M
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W9425G6JH.pdf
(52 pages)
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10.8 Table 8: Overshoot/Undershoot Specification for Data, Strobe, and Mask Pins
The area between the undershoot signal and GND must be less than
The area between the overshoot signal and VDD must be less than
-1
-2
-3
-4
-5
5
4
3
2
1
0
Maximum peak amplitude allowed for undershoot
Maximum peak amplitude allowed for overshoot
0
Figure 4: DQ/DM/DQS AC Overshoot and Undershoot Definition
or equal to Max. area in Figure 4
or equal to Max. area in Figure 4
0.5 1.0 1.42 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 5.68 6.0 6.5 7.0
Max. amplitude = 1.2V
PARAMETER
Max. area
VDD
Overshoot
- 31 -
Time (nS)
Publication Release Date: May 26, 2010
1.44 V-nS
1.44 V-nS
DDR500
Max. amplitude = 1.2V
1.2 V
1.2 V
SPECIFICATION
Undershoot
W9425G6JH
GND
1.44 V-nS
1.44 V-nS
DDR400
Revision A01
1.2 V
1.2 V