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EM421M1684LBA-7FE 参数 Datasheet PDF下载

EM421M1684LBA-7FE图片预览
型号: EM421M1684LBA-7FE
PDF下载: 下载PDF文件 查看货源
内容描述: 512MB ( 8M × 4Bank × 16 ),双倍数据速率SDRAM [512Mb (8M】4Bank】16) Double DATA RATE SDRAM]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 20 页 / 962 K
品牌: EOREX [ EOREX CORPORATION ]
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eorex
Absolute Maximum Rating
Symbol
V
IN
, V
OUT
V
DD
, V
DDQ
T
OP
T
STG
P
D
Item
Input, Output Voltage
Power Supply Voltage
Operating Temperature Range
Storage Temperature Range
Power Dissipation
EM42BM1684LBA
Rating
-0.5 ~ +2.3
-0.5 ~ +2.3
Commercial
0 ~ +70
Extended
-25 ~ +85
-55 ~ +125
1
Units
V
V
°C
°C
W
I
OS
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 (V
CC
=1.8V
±
0.1V, f=1MHz, T
A
=25°C)
Symbol
C
CLK
C
I
C
O
Parameter
Clock Capacitance
Input Capacitance for CLK, CKE, Address,
/CS, /RAS, /CAS, /WE, DQML, DQMU
Input/Output Capacitance
Min.
2.0
2.0
3.5
Typ.
Max.
4.5
4.5
6.0
Units
pF
pF
pF
Recommended DC Operating Conditions (T
A
=0°C ~70°C)
Symbol
V
DD
V
DDQ
V
IH
Parameter
Power Supply Voltage
Power Supply Voltage (for I/O Buffer)
Input Logic High Voltage
Min.
1.7
1.7
0.8* V
DDQ
-0.3
Typ.
1.8
1.8
Max.
1.9
1.9
V
DDQ
+0.3
0.2*V
DDQ
Units
V
V
V
V
V
IL
Input Logic Low Voltage
Note:
* All voltages referred to V
SS
.
Jul. 2006
4/20
www.eorex.com