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EM42AM1684RTB-6F 参数 Datasheet PDF下载

EM42AM1684RTB-6F图片预览
型号: EM42AM1684RTB-6F
PDF下载: 下载PDF文件 查看货源
内容描述: 256MB ( 4M 】 4Bank 】 16 ),双倍数据速率SDRAM [256Mb (4M×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: 19 页 / 234 K
品牌: EOREX [ EOREX CORPORATION ]
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eorex
Recommended DC Operating Conditions
(V
DD
=2.5V±0.2V, T
A
=0°C ~ 70°C)
Symbol
I
DD1
I
DD2P
Parameter
Operating Current
(Note 1)
EM42AM1684RTB
Test Conditions
Burst length=4,
t
RC
≥t
RC
(min.), I
OL
=0mA,
One bank active
CKE≤V
IL
(max.), t
CK
=min
CKE≥V
IL
(min.), t
CK
=min,
/CS≥V
IH
(min.)
Input signals are changed one time
during 2 clks
CKE≤V
IL
(max.), t
CK
=min
CKE≥V
IH
(min.), t
CK
=min,
/CS≥V
IH
(min.)
Input signals are changed one time
during 2 clks
READ
t
CK
t
CK
(min.), I
OL
=0mA,
All banks active
WRITE
t
RC
t
RFC
(min.), All banks active
CKE≤0.2V
Max.
Units
mA
mA
160
30
Precharge Standby Current in
Power Down Mode
Precharge Standby Current in
Non-power Down Mode
Active Standby Current in
Power Down Mode
Active Standby Current in
Non-power Down Mode
Operating Current (Burst
(Note 2)
Mode)
Refresh Current
(Note 3)
I
DD2N
50
mA
I
DD3P
30
mA
I
DD3N
90
270
250
210
3
mA
I
DD4
I
DD5
I
DD6
mA
mA
mA
Self Refresh Current
*All voltages referenced to V
SS
.
Note 1:
I
DD1
depends on output loading and cycle rates.
Specified values are obtained with the output open.
Input signals are changed only one time during t
CK
(min.)
Note 2:
I
DD4
depends on output loading and cycle rates.
Specified values are obtained with the output open.
Input signals are changed only one time during t
CK
(min.)
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
I
OHW
I
OLw
Parameter
Input Leakage Current
Output Leakage Current
High Level Output Voltage
Low Level Output Voltage
Output current
half-strength Driver
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
=-16.8mA
I
O
=+16.8mA
V
OUT=
V
DDQ
-0.763V; min.V
REF
V
TT
V
OUT=
0.763V ; max. V
REF
V
TT
-9
9
Min.
-5
-5
V
DDQ
-0.373
0.373
Max.
+5
+5
Units
uA
uA
V
V
mA
mA
Jun. 2009
5/19
www.eorex.com