参数资料
型号: MT46V2M32V1
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: 59/65页
文件大小: 2360K
代理商: MT46V2M32V1
59
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
SELF REFRESH MODE
CK
1
CK#
COMMAND
4
NOP
AR
ADDR
CKE
1
VALID
DQ
DM
DQS
VALID
NOP
NOTE
: 1. Clock must be stable before exiting self refresh mode.
2. Device must be in the all banks idle state prior to entering self refresh mode.
3.
t
XSNR is required before any non-READ command can be applied, and
t
XSRD (200 cycles of CK)
is required before a READ command can be applied.
4. AR = AUTO REFRESH command.
t
RP
2
t
CH
t
IH
t
CL
tCK
t
IS
tXSNR/
tXSRD
3
t
IS
t
IH
t
IS
tIS
tIH
tIS
Enter Self Refresh Mode
Exit Self Refresh Mode
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T0
T1
Ta0
Tb0
Ta1
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DON
T CARE
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TIMING PARAMETERS
-5
-6
-65
SYMBOL
t
CH
t
CL
t
CK (3)
t
CK (2)
t
IH
MIN
0.45
0.45
5
8
1
MAX
0.55
0.55
12
12
MIN
0.45
0.45
6
10
1
MAX
0.55
0.55
12
12
MIN
0.45
0.45
6.5
10
1
MAX
0.55
0.55
12
12
UNITS
t
CK
t
CK
ns
ns
ns
-5
-6
-65
SYMBOL
t
IS
t
RP
t
XSNR
t
XSRD
MIN
1
20
65
200
MAX
MIN
1
18
66
200
MAX
MIN
1
19.5
66
200
MAX
UNITS
ns
ns
ns
t
CK
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