參數(shù)資料
型號: MT48LC4M32LFFC
廠商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件頁數(shù): 51/52頁
文件大?。?/td> 1281K
代理商: MT48LC4M32LFFC
51
128Mb: x32 SDRAM
128MbSDRAMx32_D.p65 – Rev. D; Pub. 6/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x32
SDRAM
WRITE – DQM OPERATION
1
NOTE:
1. For this example, the burst length = 4.
2. A8, A9, and A11 = “Don’t Care.”
*CAS latency indicated in parentheses.
-6
-7
SYMBOL*
t
CKH
t
CKS
t
CMH
t
CMS
t
DH
t
DS
t
RCD
MIN
1
2
1
1.5
1
1.5
18
MAX
MIN
1
2
1
2
1
2
20
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
TIMING PARAMETERS
-6
-7
SYMBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CK (1)
MIN
1
1.5
2.5
2.5
6
10
20
MAX
MIN
1
2
2.75
2.75
7
10
20
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
DON’T CARE
tCH
tCL
tCK
tRCD
CKE
CLK
DQ
A10
tCMS
tAH
tAS
ROW
BANK
ROW
BANK
ENABLE AUTO PRECHARGE
D
IN
m
+ 3
tDH
tDS
D
IN
m
D
IN
m
+ 2
tCMH
COMMAND
NOP
NOP
NOP
ACTIVE
NOP
WRITE
NOP
NOP
tCMS
tCMH
tDH
tDS
tDH
tDS
tAH
tAS
tAH
tAS
DISABLE AUTO PRECHARGE
tCKH
tCKS
COLUMN
m
2
T0
T1
T2
T3
T4
T5
T6
T7
BA0, BA1
DQM 0-3
A0-A9, A11
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