參數(shù)資料
型號(hào): MT48LC4M32B2
廠商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件頁數(shù): 48/52頁
文件大?。?/td> 1281K
代理商: MT48LC4M32B2
48
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
t
CMS
t
DH
t
DS
t
RAS
t
RC
t
RCD
t
RP
t
WR
1.5
1
1.5
42
60
18
18
2
1
2
ns
ns
ns
ns
ns
ns
ns
ns
120,000
42
70
20
20
120,000
1 CLK+
6
1 CLK+
7
WRITE – WITH AUTO PRECHARGE
1
NOTE:
1. For this example, the burst length = 4.
2. Faster frequencies require two clocks (when
t
WR >
t
CK).
3. A8, A9, and A11 = “Don’t Care.”
*CAS latency indicated in parentheses.
-6
-7
SYMBOL*
MIN
MAX
MIN
MAX
UNITS
TIMING PARAMETERS
-6
-7
SYMBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CK (1)
t
CKH
t
CKS
t
CMH
MIN
1
1.5
2.5
2.5
6
10
20
1
2
1
MAX
MIN
1
2
2.75
2.75
7
10
20
1
2
1
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DON’T CARE
ENABLE AUTO PRECHARGE
tCH
tCL
tCK
tRP
tRAS
tRC
tRCD
CKE
CLK
DQ
A10
tCMH
tCMS
tAH
tAS
ROW
ROW
BANK
BANK
ROW
ROW
BANK
tWR
D
IN
m
tDH
tDS
D
IN
m
+ 1
D
IN
m
+ 2
D
IN
m
+ 3
COMMAND
tCMH
tCMS
NOP
NOP
NOP
ACTIVE
NOP
WRITE
NOP
ACTIVE
tAH
tAS
tAH
tAS
tDH
tDS
tDH
tDS
tDH
tDS
tCKH
tCKS
NOP
NOP
COLUMN
m
3
2
T0
T1
T2
T4
T3
T5
T6
T7
T8
T9
BA0, BA1
DQM 0-3
A0-A9, A11
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