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EM448M1684LBA-37FE 参数 Datasheet PDF下载

EM448M1684LBA-37FE图片预览
型号: EM448M1684LBA-37FE
PDF下载: 下载PDF文件 查看货源
内容描述: 256MB ( 4M 】 4Bank 】 16 )双数据速率2 SDRAM [256Mb (4M】4Bank】16) Double DATA RATE 2 SDRAM]
分类和应用: 动态存储器
文件页数/大小: 29 页 / 1543 K
品牌: EOREX [ EOREX CORPORATION ]
 浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第2页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第3页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第4页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第5页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第7页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第8页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第9页浏览型号EM448M1684LBA-37FE的Datasheet PDF文件第10页  
eorex  
EM44AM1684LBA  
Absolute Maximum Rating  
Symbol  
Item  
Input, Output Voltage  
Rating  
Units  
V
VIN, VOUT  
VDD, VDDQ,  
VDDL,  
-0.5 ~ +2.3  
-0.5 ~ +2.3  
-0.5 ~ +2.3  
Power Supply Voltage  
V
DLL Power Supply Voltage  
V
TOP  
Operating Temperature Range  
0 ~ +85  
°C  
TSTG  
PD  
Storage Temperature Range  
Power Dissipation  
-55 ~ +100  
°C  
W
1
IOS  
Short Circuit Current  
50  
mA  
Note: Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could  
cause permanent damage. The device is not meant to be operated under conditions outside the  
limits described in the operational section of this specification. Exposure to Absolute Maximum  
Rating conditions for extended periods may affect device reliability.  
Capacitance (VCC=1.8V ± 0.1V, f=1MHz, TA=25°C)  
Symbol  
CCK  
Parameter  
Min.  
1.0  
-
Typ.  
Max.  
2.0  
Units  
pF  
Input Capacitance of CK, /CK  
Input Capacitance delta of CK, /CK  
-
-
CDCK  
0.25  
pF  
Input Capacitance for others: CKE,  
Address, /CS, /RAS, /CAS, /WE  
CI  
1.0  
-
-
-
2.0  
pF  
pF  
CDI  
Input Capacitance delta for others  
0.25  
Input/Output Capacitance  
DQ, DM, DQS, DQS, RDQS, RDQS  
CIO  
3.0  
-
-
-
4.0  
0.5  
pF  
pF  
CDIO  
Input/Output Capacitance delta  
Recommended DC Operating Conditions (TA=0°C ~85°C)  
Symbol  
VDD  
Parameter  
Min.  
1.7  
Typ.  
Max.  
Units  
V
Power Supply Voltage  
1.8  
1.9  
1.9  
VDDDL  
VDDQ  
VREF  
VTT  
Power Supply for DLL Voltage  
Power Supply for Output Voltage  
Input Reference Voltage  
Termination Voltage  
1.7  
1.8  
V
1.7  
1.8  
1.9  
V
0.49* VDDQ  
VREF - 0.04  
0.25  
0.5* VDDQ  
0.51* VDDQ  
VREF +0.04  
VDDQ+0.6  
VDDQ+0.3  
VREF - 0.125  
V
VREF  
V
VID  
DC differential Input Voltage  
Input Logic High Voltage  
Input Logic Low Voltage  
-
-
-
V
VIH  
VREF +0.125  
-0.3  
V
VIL  
V
Note: * All voltages referred to VSS.  
Jul. 2006  
www.eorex.com  
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