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参数资料
型号： MT46V2M32LG
厂商： Micron Technology, Inc.
英文描述： DOUBLE DATA RATE DDR SDRAM
中文描述： 双倍数据速率的DDR SDRAM内存
文件页数： 41/65页
文件大小： 2360K
代理商： MT46V2M32LG
41
64Mb: x32 DDR SDRAM
2M32DDR-07.p65
–
Rev. 12/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
64Mb: x32
DDR SDRAM
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
DD
Supply
Relative to V
SS
......................................-1V to +3.6V
Voltage on V
DD
Q Supply
Relative to V
SS
......................................-1V to +3.6V
Voltage on V
REF
and Inputs
Relative to V
SS
......................................-1V to +3.6V
Voltage on I/O Pins
Relative to V
SS
........................ -0.5V to V
DD
Q +0.5V
Operating Temperature, T
A
(ambient) .. 0°C to +70°C
Storage Temperature (plastic) ...........-55°C to +150°C
Power Dissipation................................................... 1W
Short Circuit Output Current ............................ 50mA
*Stresses greater than those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only, and functional
operation of the device at these or any other conditions
above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods may affect
reliability.
AC INPUT OPERATING CONDITIONS
(Notes: 1-5, 14, 16; notes appear on pages 47-50) (0
°
C
≤
T
A
≤
+70
°
C;)
PARAMETER/CONDITION
Input High (Logic 1) Voltage; DQ
Input Low (Logic 0) Voltage; DQ
Clock Input Differential Voltage; CK and CK#
Clock Input Crossing Point Voltage; CK and CK#
SYMBOL
V
IH
(
AC
)
V
IL
(
AC
)
V
ID
(
AC
)
V
IX
(
AC
)
MIN
MAX
–
UNITS
V
V
V
V
NOTES
28, 39
28, 39
8
9
V
REF
+ 0.310
–
0.7
0.5 x V
DD
Q-0.2
V
REF
- 0.310
V
DD
Q + 0.6
0.5 x V
DD
Q+0.2
DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS
(Notes: 1-5, 16; notes appear on pages 47-50) (0
°
C
≤
T
A
≤
+70
°
C;)
PARAMETER/CONDITION
Supply Voltage, Part Type 2.5V/2.65V
I/O Supply Voltage, Part Type 2.5V/2.65V
I/O Reference Voltage
I/O Termination Voltage (system)
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
Clock Input Voltage Level; CK and CK#
Clock Input Differential Voltage; CK and CK#
Clock Input Crossing Point Voltage; CK and CK#
Input Leakage Current:
Any input 0V
≤
V
IN
≤
V
DD
(All other pins not under test = 0V)
Output Leakage Current:
(DQs are disabled; 0V
≤
V
OUT
≤
V
DD
Q)
Output Levels: Impedance Match
High Current (V
OUT
= V
DD
Q-0.373V, minimum V
REF
, minimum V
TT
)
Low Current (V
OUT
= 0.373V, maximum V
REF
,maximum V
TT
)
Output Levels: Reduced drive option
High Current (V
OUT
= V
DD
Q-0.763V, minimum V
REF
, minimum V
TT
)
Low Current (V
OUT
= 0.763V, maximum V
REF
,maximum V
TT
)
SYMBOL
V
DD
V
DD
Q
V
REF
V
TT
V
IH
(
DC
)
V
IL
(
DC
)
V
IN
V
ID
V
IX
MIN
MAX
2.6/2.75
2.6/2.75
0.51
x
V
DD
Q
V
REF
+ 0.04
V
DD
+ 0.3
V
REF
- 0.15
V
DD
Q + 0.3
V
DD
Q + 0.6
1.4
UNITS NOTES
V
V
V
V
V
V
V
V
V
2.4/2.55
2.4/2.55
0.49
x
V
DD
Q
V
REF
- 0.04
V
REF
+ 0.15
-0.3
-0.3
0.36
1.2
42
42
6,44
7,44
28
28
8
9,43
I
I
-2
2
μA
I
OZ
-5
5
μA
I
OH
I
OL
-4
4
–
–
mA
mA
37, 39
I
OHR
I
OLR
-9
9
–
–
mA
mA
38, 39
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