参数资料
型号: MT46V4M32
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: 43/66页
文件大小: 1921K
代理商: MT46V4M32
43
128Mb: x32 DDR SDRAM
4M32DDR_B.p65 – Rev. B, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x32
DDR SDRAM
ADVANCE
AC INPUT OPERATING CONDITIONS FOR 1.8V OPTION
(Notes: 1-5, 14, 16, 40; notes appear on pages 46-49) (0°C
T
A
+70°C; V
DD
= +2.5V ±0.125V, V
DD
Q = +1.8V ±0.125V)
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
14, 28, 39
14, 28, 39
8
9
V
REF
+ 0.310
0.7
0.5xV
DD
Q-0.2
V
REF
- 0.310
V
DD
Q + 0.6
0.5xV
DD
Q+0.2
DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS FOR 1.8V OPTION
(Notes: 1-5, 16, 40; notes appear on pages 46-49) (0°C
T
A
+70°C; V
DD
= +2.5V ±0.125V, V
DD
Q = +1.8V ±0.125V)
PARAMETER/CONDITION
Supply Voltage
I/O Supply Voltage
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
2.375
1.67
MAX
2.625
1.925
UNITS NOTES
V
V
V
V
V
V
V
V
V
40
6
7
28
28
0.49
x
V
DD
Q
V
REF
- 0.04
V
REF
+ 0.15
-0.3
-0.3
0.36
0.8
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
1.0
8
9
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
CLOCK INPUT OPERATING CONDITIONS FOR 1.8V OPTION
(Notes: 1–5, 15, 16, 30; notes appear on pages 46–49) (0°C
T
A
+ 70°C; V
DD
= +2.5V ±0.125V, V
DD
Q = +1.8V ±0.125V)
PARAMETER/CONDITION
Clock Input Mid-Point Voltage; CK and CK#
Clock Input Voltage Level; CK and CK#
Clock Input Differential Voltage; CK and CK#
Clock Input Differential Voltage; CK and CK#
Clock Input Crossing Point Voltage; CK and CK#
SYMBOL
V
MP
(
DC
)
V
IN
(
DC
)
V
ID
(
DC
)
V
ID
(
AC
)
V
IX
(
AC
)
MIN
0.8
-0.3
0.36
0.7
MAX
1.0
UNITS
V
V
V
V
V
NOTES
6, 9
6
6, 8
8
9
V
DD
Q + 0.3
V
DD
Q + 0.6
V
DD
Q + 0.6
0.5 x V
DD
Q + 0.2
0.5 x V
DD
Q - 0.2
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