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參數(shù)資料
| 型號(hào)： | WV3HG264M72EEU534D4-SG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM MODULE, 0.5 ns, DMA200 |
| 封裝： | ROHS COMPLIANT, SO-DIMM-200 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 160K |
| 代理商： | WV3HG264M72EEU534D4-SG |
WV3HG264M72EEU-D4
August 2005
Rev. 0
ADVANCED
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
RECOMMENDED DC OPERATING CONDITIONS (SSTL_1.8V)
Parameter
Symbol
Rating
Units
Notes
Min.
Type
Max.
Supply Voltage
VCC
1.7
1.8
1.9
V
Supply Voltage for DLL
VCCL
1.7
1.8
1.9
V
4
Supply Voltage for Output
VCCQ
1.7
1.8
1.9
V
4
Input Reference Voltage
VREF
0.49*VCCQ
0.50*VCCQ
0.51*VCCQ
V
1, 2
Termination Voltage
VTT
VREF-0.04
VREF
VREF+0.04
V
3
There is no specic device VCC supply voltage requirement for SSTL-1.8 compliance. However under all conditions VCCQ must be less than or equal to VCC.
1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the value of VREF isexpected to be about 0.5 x VCCQ of the transmitting
device and VREF is expected to track variations in VCCQ.
2. Peak to peak AC noise on VREF may not exceed ±2% VREF(DC).
3. VTT of transmitting device must track VREF of receiving device.
4. AC parameters are measured with VCC, VCCQ and VCCDL tied together.
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Units
Voltage on any pin relative to VSS
VT
-0.5 to +2.3
V
Supply Voltage relative to VSS
VCC
-0.5 to +2.3
V
Short Circuit Output Current
IOS
50
mA
Power Dissipation
PD
18 (Max)
W
ENVIRONMENTAL
Parameter
Symbol
Rating
Units
Operating Case Temperature(1)
TOPR
0 to +85
°C
Operating Humidity (relative)
HOPR
10 to 90
%
Storage Temperature
TSTG
-55 to +100
°C
Storage Humidity (without condensation)
TSTG
5 to 95
%
NOTE:
1. Case Temperature is the case surface temperature on the center/top side of SDRAMs. For the measurement condition, please refer to JESD51-2 standard
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = VCCQ = 1.8V
Parameter
Symbol
Pins
Min
Max
Unit
Note
Control Signal Input Capacitance
CI1
Address, RAS#, CAS#, WE#
20.5
38.5
pF
Control Signal Input Capacitance
CI2
CS#, CKE, ODT
11.5
20.5
pF
Clock Input Capacitance
CI3
CK, CK#
2
3
pF
(1)
Data & DQSI/O Capacitance
CO
DQ, DQS, DQS#, DM, CB
7.5
10.5
pF
NOTE:
1. PLL component specicatiion
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WV3HG264M72EEU534D6GG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D6MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D6SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D7IMG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED, w/PLL, Mini-DIMM |
| WV3HG264M72EEU534D7ISG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED, w/PLL, Mini-DIMM |
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