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EBE10AD4AGFA 参数 Datasheet PDF下载

EBE10AD4AGFA图片预览
型号: EBE10AD4AGFA
PDF下载: 下载PDF文件 查看货源
内容描述: 注册1GB DDR2 SDRAM DIMM [1GB Registered DDR2 SDRAM DIMM]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 23 页 / 199 K
品牌: ELPIDA [ ELPIDA MEMORY ]
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EBE10AD4AGFA  
Electrical Specifications  
All voltages are referenced to VSS (GND).  
Absolute Maximum Ratings  
Parameter  
Symbol  
VT  
Value  
Unit  
Note  
1
Voltage on any pin relative to VSS  
Supply voltage relative to VSS  
Short circuit output current  
Power dissipation  
–0.5 to +2.3  
–0.5 to +2.3  
50  
V
VDD  
IOS  
PD  
V
mA  
W
°C  
°C  
1
18  
Operating case temperature  
Storage temperature  
TC  
0 to +95  
–55 to +100  
1, 2  
1
Tstg  
Note: 1. DDR2 SDRAM component specification.  
2. Supporting 0°C to +85°C and being able to extend to +95°C with doubling auto-refresh commands in  
frequency to a 32ms period (tREFI = 3.9µs) and higher temperature self-refresh entry via the control of  
EMRS (2) bit A7 is required.  
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.  
DC Operating Conditions (TC = 0°C to +85°C) (DDR2 SDRAM Component Specification)  
Parameter  
Symbol  
VDD, VDDQ  
VSS  
min.  
typ.  
1.8  
0
max.  
1.9  
0
Unit  
V
Notes  
4
Supply voltage  
1.7  
0
V
VDDSPD  
VREF  
1.7  
3.6  
V
Input reference voltage  
Termination voltage  
DC input logic high  
DC input low  
0.49 × VDDQ  
VREF 0.04  
VREF + 0.125  
0.3  
0.50 × VDDQ 0.51 × VDDQ  
V
1, 2  
3
VTT  
VREF  
VREF + 0.04  
VDDQ + 0.3  
VREF – 0.125  
V
VIH (DC)  
VIL (DC)  
V
V
AC input logic high  
-6E  
VIH (AC)  
VIH (AC)  
VIL (AC)  
VIL (AC)  
VREF + 0.200  
VREF + 0.250  
V
V
V
V
-5C, -4A  
AC input low  
-6E  
VREF – 0.200  
-5C, -4A  
VREF 0.250  
Notes: 1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically  
the value of VREF is expected to be about 0.5 × VDDQ of the transmitting device and VREF are expected  
to track variations in VDDQ.  
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. VDDQ must be equal to VDD.  
Preliminary Data Sheet E0865E11 (Ver. 1.1)  
10  
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