参数资料
型号: MT48LC4M16A2
厂商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件页数: 46/55页
文件大小: 1458K
代理商: MT48LC4M16A2
46
64Mb: x4, x8, x16 SDRAM
64MSDRAM_F.p65 – Rev. F; Pub. 1/03
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2003, Micron Technology, Inc.
64Mb: x4, x8, x16
SDRAM
READ – FULL-PAGE BURST
1
TIMING PARAMETERS
-6
-7E
-75
-8E
SYMBOL*
t
AC(3)
t
AC(2)
t
AH
t
AS
t
CH
t
CL
t
CK(3)
t
CK(2)
t
CKH
MIN MAX MIN MAX MIN MAX MIN MAX
5.5
5.4
5.4
1
0.8
1.5
1.5
2.5
2.5
2.5
2.5
6
7
7.5
1
0.8
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
5.4
6
6
6
0.8
1.5
2.5
2.5
7.5
10
0.8
1
2
3
3
8
10
1
t
CKS
t
CMH
t
CMS
t
HZ(3)
t
HZ(2)
t
LZ
t
OH
t
RCD
1.5
1
1.5
1.5
0.8
1.5
1.5
0.8
1.5
2
1
2
ns
ns
ns
ns
ns
ns
ns
ns
5.5
5.4
5.4
5.4
6
6
6
1
2
18
1
3
15
1
3
20
1
3
20
tCH
tCL
tCK
tAC
tLZ
tRCD
CAS Latency
DQM /
DQML, DQMH
CKE
CLK
A0-A9, A11
DQ
BA0, BA1
A10
tOH
D
OUT
m
tCMH
tCMS
tAH
tAS
tAH
tAS
tAC
tOH
D
OUT
m
+1
ROW
ROW
tHZ
tAC
tOH
D
OUT
m
+1
tAC
tOH
D
OUT
m
+2
tAC
tOH
D
OUT
m
-1
tAC
tOH
D
OUT
m
Full-page burst does not self-terminate.
Can use BURST TERMINATE command.
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Full page completed
3
256 (x16) locations within same row
512 (x8) locations within same row
1,024 (x4) locations within same row
COMMAND
tCMH
tCMS
NOP
NOP
NOP
ACTIVE
NOP
READ
NOP
BURST TERM
NOP
NOP
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NOP
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tAH
tAS
BANK
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BANK
tCKH
tCKS
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COLUMN
m
2
T0
T1
T2
T4
T3
T5
T6
Tn + 1
Tn + 2
Tn + 3
Tn + 4
DON’T CARE
UNDEFINED
-6
-7E
-75
-8E
SYMBOL*
MIN MAX MIN MAX MIN MAX MIN MAX
UNITS
*CAS latency indicated in parentheses.
NOTE:
1. For this example, the CAS latency = 2.
2. x16: A8, A9 and A11 = “ Don’t Care”
x8: A9 and A11 = “ Don’t Care”
x4: A11 = “ Don’t Care”
3. Page left open; no
t
RP.
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