w9425g8dh Winbond Electronics Corp America, w9425g8dh Datasheet - Page 32
w9425g8dh
Manufacturer Part Number
w9425g8dh
Description
8m ? 4 Banks ? 8 Bits Ddr Sdram
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W9425G8DH.pdf
(53 pages)
- Current page: 32 of 53
- Download datasheet (2Mb)
10.8 Table 8: Overshoot/Undershoot Specification for Data, Strobe, and Mask Pins
must be less than or equal to Max. area in Figure 4
must be less than or equal to Max. area in Figure 4
The area between the undershoot signal and GND
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD
Maximum peak amplitude allowed for overshoot
-1
-2
-3
-4
-5
5
4
3
2
1
0
0
Figure 4: DQ/DM/DQS AC Overshoot and Undershoot Definition
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
PARAMETER
Max. amplitude = 1.2V
Max. area
VDD
Overshoot
- 32 -
Time (nS)
1.44 V-nS
1.44 V-nS
DDR400
1.2 V
1.2 V
Publication Release Date: Nov. 20
SPECIFICATION
Max. amplitude = 1.2V
2.25 V-nS
2.25 V-nS
DDR333
1.2 V
1.2 V
Undershoot
GND
2.4 V-nS
2.4 V-nS
DDR266
Revision A4
1.2 V
1.2 V
,
2007
Related parts for w9425g8dh
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: