W9425G6JH_13 Datasheet, PDF (30/52 Pages) Winbond – 4 M x 4 BANKS x 16 BITS DDR SDRAM

W9425G6JH
11.6 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
NOTES
e, m
11.7 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
SPECIFICATION
DDR500
DDR400
1.5 V
1.5 V
1.5 V
1.5 V
4.5 V-nS
4.5 V-nS
4.5 V-nS
4.5 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: Aug. 27, 2013
Revision A03