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W3EG7236S265D3 参数 Datasheet PDF下载

W3EG7236S265D3图片预览
型号: W3EG7236S265D3
PDF下载: 下载PDF文件 查看货源
内容描述: 256MB - 32Mx72 DDR SDRAM注册瓦特/ PLL [256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL]
分类和应用: 存储内存集成电路动态存储器双倍数据速率
文件页数/大小: 12 页 / 173 K
品牌: WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
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W3EG7236S-D3  
White Electronic Designs  
PRELIMINARY  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Symbol  
Value  
Units  
V
V
°C  
W
Voltage on any pin relative to VSS  
Voltage on VCC supply relative to VSS  
Storage Temperature  
VIN, VOUT  
VCC, VCCQ  
TSTG  
-0.5 to 3.6  
-1.0 to 3.6  
-55 to +150  
9
Power Dissipation  
PD  
Short Circuit Current  
IOS  
50  
mA  
Note:  
Permanent device damage may occur if ‘ABSOLUTE MAXIMUM RATINGS’ are exceeded.  
Functional operation should be restricted to recommended operating condition.  
Exposure to higher than recommended voltage for extended periods of time could affect device reliability  
DC CHARACTERISTICS  
0°C TA 70°C, VCC = 2.5V 0.2V  
Parameter  
Symbol  
VCC  
Min  
2.3  
Max  
2.7  
Unit  
V
Supply Voltage  
Supply Voltage  
VCCQ  
VREF  
VTT  
2.3  
2.7  
V
Reference Voltage  
Termination Voltage  
Input High Voltage  
Input Low Voltage  
Output High Voltage  
Output Low Voltage  
1.15  
1.35  
V
1.15  
1.35  
V
VIH  
VREF + 0.15  
-0.3  
VCCQ + 0.3  
VREF -0.15  
V
VIL  
V
VOH  
VTT + 0.76  
V
VOL  
VTT-0.76  
V
CAPACITANCE  
TA = 25°C. f = 1MHz, VCC = 2.5V  
Parameter  
Input Capacitance (A0-A12)  
Input Capacitance (RAS#,CAS#,WE#)  
Input Capacitance (CKE0)  
Input Capacitance (CK0#,CK0)  
Input Capacitance (CS0#)  
Input Capacitance (DQM0-DQM8)  
Input Capacitance (BA0-BA1)  
Data input/output capacitance (DQ0-DQ63)(DQS)  
Data input/output capacitance (CB0-CB7)  
Symbol  
CIN1  
CIN2  
CIN3  
CIN4  
CIN5  
CIN6  
CIN7  
COUT  
COUT  
Max  
6.5  
6.5  
6.5  
5.5  
6.5  
8
6.5  
8
8
Unit  
pF  
pF  
pF  
pF  
pF  
pF  
pF  
pF  
pF  
November 2004  
Rev. 1  
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
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