w9425g8dh Winbond Electronics Corp America, w9425g8dh Datasheet - Page 30
![no-image](/images/no-image-200.jpg)
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: 30 of 53
- Download datasheet (2Mb)
10. SYSTEM CHARACTERISTICS FOR DDR SDRAM
The following specification parameters are required in systems using DDR400, DDR333 & DDR266
devices to ensure proper system performance. These characteristics are for system simulation
purposes and are guaranteed by design.
10.1 Table 1: Input Slew Rate for DQ, DQS, and DM
10.2 Table 2: Input Setup & Hold Time Derating for Slew Rate
10.3 Table 3: Input/Output Setup & Hold Time Derating for Slew Rate
10.4 Table 4: Input/Output Setup & Hold Derating for Rise/Fall Delta Slew Rate
10.5 Table 5: Output Slew Rate Characteristics (X8 Devices only)
DQ/DM/DQS input slew rate
INPUT SLEW RATE
INPUT SLEW RATE
INPUT SLEW RATE
measured between V
V
IL(DC)
AC CHARACTERISTICS
Pulldown Slew Rate
CHARACTERISTIC
±0.25 nS/V
±0.0 nS/V
±0.5 nS/V
Pullup Slew Rate
0.5 V/nS
0.4 V/nS
0.3 V/nS
0.5 V/nS
0.4 V/nS
0.3 V/nS
SLEW RATE
PARAMETER
and V
IL(DC)
, V
IH(DC)
IH(DC)
,
ΔT
ΔT
+100
+150
+100
ΔT
+50
+75
+50
0
0
0
RANGE (V/NS)
SYMBOL
DCSLEW
DS
DS
IS
TYPICAL
1.2 ~ 2.5
1.2 ~ 2.5
MIN.
0.5
DDR400
- 30 -
ΔT
ΔT
ΔT
MAX. MIN.
0
0
0
0
0
0
0
0
0
4.0
DH
DH
IH
MINIMUM
(V/NS)
1.0
1.0
0.5
DDR333
Publication Release Date: Nov. 20
MAX. MIN.
4.0
UNIT
UNIT
UNIT
pS
pS
pS
pS
pS
pS
pS
pS
pS
MAXIMUM
0.5
(V/NS)
DDR266
4.5
4.5
MAX. UNIT
4.0
V/nS
a, c, d, f, g, h
b, c, d, f, g, h
NOTES
NOTES
NOTES
NOTES
Revision A4
k
k
k
i
i
i
j
j
j
NOTES
a, m
,
2007
Related parts for w9425g8dh
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![w83l784r](/images/no-image3.png)
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83627thg](/images/no-image3.png)
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83601r](/images/no-image3.png)
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83977atf](/images/no-image3.png)
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-sd](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-603](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-619](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-b](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83195bg-341](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83195bg-101](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83l784r](/images/no-image3.png)
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83627thg](/images/no-image3.png)
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83601r](/images/no-image3.png)
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83977atf](/images/no-image3.png)
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![W90210F](/images/no-image3.png)
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: