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EM488M1644VTC_EV 参数 Datasheet PDF下载

EM488M1644VTC_EV图片预览
型号: EM488M1644VTC_EV
PDF下载: 下载PDF文件 查看货源
内容描述: 128MB ( 2Mx4Bankx16 )同步DRAM [128Mb (2Mx4Bankx16) Synchronous DRAM]
分类和应用: 动态存储器
文件页数/大小: 18 页 / 1144 K
品牌: EOREX [ EOREX CORPORATION ]
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EM488M1644VTC
Absolute Maximum Ratings
Symbol
V
IN
, V
OUT
V
DD
, V
DDQ
T
OP
T
STG
P
D
I
OS
Item
Input, Output Voltage
Power Supply Voltage
Operating Temperature
Storage Temperature
Power Dissipation
Short Circuit Current
Rating
-0.3 ~ 4.6
-0.3 ~ 4.6
0 ~ 70
-55 ~ 150
1
50
Units
V
V
°C
°C
W
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.
Recommended DC Operation Conditions ( Ta = 0 ~ 70 °C )
Symbol
V
DD
V
DDQ
V
IH
V
IL
Parameter
Power Supply Voltage
Power Supply Voltage (for I/O Buffer)
Input logic high voltage
Input logic low voltage
Min.
3.0
3.0
2.0
-0.3
Typical
3.3
3.3
Typical
3.6
3.6
V
DD
+0.3
0.8
Units
V
V
V
V
Note :
1. All voltage referred to VSS.
2. V
IH
(max) = 5.6V for pulse width
≤3ns
3. V
IL
(min) = -2.0V for pulse width
3ns
Capacitance ( Vcc =3.3V, f = 1MHz, Ta = 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.
2.5
2.5
4.0
Max.
3.5
3.8
6.5
Units
pF
pF
pF
2