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参数资料
型号： MT46V32M4TG-8
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： 43/68页
文件大小： 2547K
代理商： MT46V32M4TG-8
43
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65
–
Rev. C; Pub. 4/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
DDR SDRAM
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS*
V
DD
Supply Voltage
Relative to V
SS
......................................-1V to +3.6V
V
DD
Q Supply
Voltage Relative to V
SS
........................-1V to +3.6V
V
REF
and Inputs Voltage
Relative to V
SS
.......................................-1V to +3.6V
I/O Pins Voltage
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 condi-
tions above those indicated in the operational sections
of this specification is not implied. Exposure to abso-
lute maximum rating conditions for extended periods
may affect reliability.
DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS
(Notes: 1
–
5, 16; notes appear on pages 50
–
53) (0
°
C
≤
T
A
≤
+70
°
C; V
DD
= +2.5V ±0.2V, V
DD
Q = +2.5V ±0.2V)
PARAMETER/CONDITION
Supply Voltage
I/O Supply Voltage
SYMBOL
V
DD
V
DD
Q
MIN
2.3
2.3
MAX
2.7
2.7
UNITS NOTES
V
V
36, 41,
36, 41
44
I/O Reference Voltage
I/O Termination Voltage (system)
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
INPUT LEAKAGE CURRENT
Any input, 0V
≤
V
IN
≤
V
DD
, V
REF
pin 0V
≤
V
IN
≤
1.35V
(All other pins not under test = 0V)
OUTPUT LEAKAGE CURRENT
(DQs are disabled; 0V
≤
V
OUT
≤
V
DD
Q)
OUTPUT LEVELS: Full drive option - x4 , x8, x16
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 - x16 only
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
)
V
REF
V
TT
V
IH
(
DC
)
V
IL
(
DC
)
0.49
x
V
DD
Q 0.51
x
V
DD
Q
V
REF
- 0.04
V
REF
+ 0.15
-0.3
V
V
V
V
6, 44
7, 44
28
28
V
REF
+ 0.04
V
DD
+ 0.3
V
REF
- 0.15
I
I
-2
2
μA
I
OZ
-5
5
μA
I
OH
I
OL
-16.8
16.8
–
–
mA
mA
37, 39
I
OHR
I
OLR
-9
9
–
–
mA
mA
38, 39
AC INPUT OPERATING CONDITIONS
(Notes: 1
–
5, 14, 16; notes appear on pages 50
–
53) (0
°
C
≤
T
A
≤
+ 70
°
C; V
DD
= +2.5V ±0.2V, V
DD
Q = +2.5V ±0.2V)
PARAMETER/CONDITION
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
I/O Reference Voltage
SYMBOL
V
IH
(
AC
)
V
IL
(
AC
)
V
REF
(
AC
)
MIN
MAX
–
V
REF
- 0.310
0.51 x V
DD
Q
UNITS
V
V
V
NOTES
14, 28, 40
14, 28, 40
6
V
REF
+ 0.310
–
0.49 x V
DD
Q
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