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EBD25RB4ALFA-7A 参数 Datasheet PDF下载

EBD25RB4ALFA-7A图片预览
型号: EBD25RB4ALFA-7A
PDF下载: 下载PDF文件 查看货源
内容描述: 注册256MB DDR SDRAM DIMM [256MB Registered DDR SDRAM DIMM]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 17 页 / 130 K
品牌: ELPIDA [ ELPIDA MEMORY ]
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EBD25RB4ALFA  
DC Characteristics 1 (TA = 0 to 70°C, VDD, VDDQ = 2.5V 0.2V, VSS = 0V)  
Parameter  
Symbol  
Grade  
max.  
Unit  
Test condition  
Notes  
1, 2, 5  
-7A  
-75  
-1A  
CKE VIH,  
tRC = tRC (min.)  
Operating current (ACTV-PRE) ICC0  
TBD  
mA  
-7A  
-75  
-1A  
-7A  
-75  
-1A  
CKE VIH, BL = 2,  
CL = 3.5,  
tRC = tRC (min.)  
Operating current (ACTV-READ-  
PRE)  
ICC1  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
1, 2, 5  
Idle power down standby current ICC2P  
CKE VIL  
4
-7A  
-75  
-1A  
-7A  
-75  
-1A  
Idle standby current  
ICC2N  
ICC3P  
ICC3N  
ICC4R  
ICC4W  
ICC5  
CKE VIH, /CS VIH  
CKE VIL  
4
Active power down standby  
current  
3
-7A  
-75  
-1A  
-7A  
-75  
-1A  
CKE VIH, /CS VIH  
tRAS = tRAS (max.)  
Active standby current  
3
Operating current  
(Burst read operation)  
CKE VIH, BL = 2,  
CL = 3.5  
1, 2, 5, 6  
1, 2, 5, 6  
-7A  
-75  
-1A  
-7A  
-75  
-1A  
Operating current  
(Burst write operation)  
CKE VIH, BL = 2,  
CL = 3.5  
tRFC = tRFC (min.)  
Input VIL or VIH  
Auto refresh current  
Self refresh current  
-7A  
-75  
-1A  
Input VDD – 0.2V  
Input 0.2V.  
ICC6  
Notes. 1. These ICC data are measured under condition that DQ pins are not connected.  
2. One bank operation.  
3. One bank active.  
4. All banks idle.  
5. Command/Address transition once per one cycle.  
6. Data/Data mask transition twice per one cycle.  
7. The ICC data on this table are measured with regard to tCK = tCK (min.) in general.  
DC Characteristics 2 (TA = 0 to +70°C, VDD, VDDQ = 2.5V 0.2V, VSS = 0V)  
Parameter  
Symbol  
min.  
max.  
Unit  
Test condition  
Notes  
Input leakage current  
Output leakage current  
Output high current  
Output low current  
ILI  
–10  
–5  
10  
5
µA  
VDD VIN VSS  
VDD VOUT VSS  
VOUT = 1.95V  
ILO  
IOH  
IOL  
µA  
–15.2  
15.2  
mA  
mA  
VOUT = 0.35V  
Preliminary Data Sheet E0211E11 (Ver. 1.1)  
12