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EM44BM1684LBA-37FE 参数 Datasheet PDF下载

EM44BM1684LBA-37FE图片预览
型号: EM44BM1684LBA-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 ]
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eorex
Recommended DC Operating Conditions
(V
DD
=1.8V±0.1V, T
A
=0°C ~ 85°C)
Symbol
Parameter
Operating Current
(Note 1)
EM44AM1684LBA
Test Conditions
Burst length=2,
t
RC
≥t
RC
(min.), I
OL
=0mA,
One bank active
CKE≤V
IL
(max.), t
CK
=min
CKE≥V
IH
(min.), t
CK
=min,
/CS≥V
IH
(min.)
Input signals SWITCHING
CKE≤V
IL
(max.), t
CK
=min
CKE≤V
IL
(max.), t
CK
=min
CKE≥V
IH
(min.), t
CK
=min,
/CS≥V
IH
(min.)
Input signals SWITCHING
t
CK
t
CK
(min.), I
OL
=0mA,
All banks active
t
RC
t
RFC
(min.), All banks
active
CKE≤0.2V
All bank Interleave read
-3
5-5-5
Max.
110
5
-37
4-4-4
Max.
95
5
-5
3-3-3
Max.
75
5
Units
I
DD1
I
DD2P
mA
mA
Precharge Standby
Current in Power
Down Mode
Precharge Standby
Current in Non-power
Down Mode
Active Standby
Current in Power
Down Mode
(A12=0)
Active Standby
Current in Power
Down Mode
(A12=1)
Active Standby
Current in Non-power
Down Mode
Operating Current
(Note 2)
(Burst Mode)
Refresh Current
(Note 3)
(Burst Mode)
Self Refresh Current
Operating Current
I
DD2N
50
40
32
mA
I
DD3P
I
DD3P
20
7
17
5
14
5
mA
mA
I
DD3N
55
42
35
mA
I
DD4
I
DD5
I
DD6
I
DD7
170
170
5
240
130
150
5
220
100
130
5
210
mA
mA
mA
mA
*All voltages referenced to V
SS
.
Note 1:
I
DD1
depends on output loading and cycle rates. (CL=CL min. AL=0)
Note 2:
I
DD4
depends on output loading and cycle rates.
Input signals SWITCHING.
Note 3:
Min. of t
RFC
(Auto refresh Row Cycle Times) is shown at AC Characteristics.
Recommended DC Operating Conditions (Continued)
Symbol
I
IL
I
OL
V
OH
V
OL
Parameter
Input Leakage Current
Output Leakage Current
High Level Output Voltage
Low Level Output Voltage
Test Conditions
0≤V
I
≤V
DDQ
, V
DDQ
=V
DD
All other pins not under
test=0V
0≤V
O
≤V
DDQ
, D
OUT
is disabled
I
O
=-13.4mA
I
O
=+13.4mA
Min.
-2
-5
V
TT
+0.603
V
TT
-0.603
Max.
+2
+5
Units
uA
uA
V
V
Jul. 2006
7/29
www.eorex.com