参数资料
型号: MT48LC1M16A1S
厂商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件页数: 44/51页
文件大小: 1480K
代理商: MT48LC1M16A1S
16Mb: x16 SDRAM
16MSDRAMx16.p65
Rev. 8/99
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1999, Micron Technology, Inc.
44
16Mb: x16
SDRAM
READ – DQM OPERATION
1
tCH
tCL
tCK
tRCD
CAS Latency
DQM
3
CKE
CLK
A0-A9
DQ
BA
A10
tCMS
ROW
BANK
ROW
BANK
DON
T CARE
UNDEFINED
tAC
LZ
D
OUT
m
tHZ
tOH
D
OUT
m
+ 3
tHZ
D
OUT
m
+ 2
t
LZ
t
tCMH
tCMS
tCMH
COMMAND
NOP
NOP
NOP
ACTIVE
NOP
READ
NOP
NOP
NOP
tAC
tOH
tAC
tOH
tAH
tAS
tAH
tAS
tAH
tAS
COLUMN
m
(A0 - A7)
3
tCKH
tCKS
ENABLE AUTO PRECHARGE
DISABLE AUTO PRECHARGE
T0
T1
T2
T3
T4
T5
T6
T7
T8
TIMING PARAMETERS
-6
-7
-8A
SYMBOL*
t
AC (3)
t
AC (2)
t
AC (1)
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CK (1)
MIN
MAX
5.5
8
18
MIN
MAX
5.5
8.5
22
MIN
MAX
6
9
22
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
2
1
2
1
2
3
3
8
13
25
2.5
2.5
6
8
20
2.75
2.75
7
10
25
t
CKH
t
CKS
t
CMH
t
CMS
t
HZ (3)
t
HZ (2)
t
HZ (1)
t
LZ
t
OH
t
RCD
1
2
1
2
1
2
1
2
1
2
1
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5.5
8
18
5.5
8.5
22
6
9
22
1
2
18
1
2
20
1
2.5
24
-6
-7
-8A
SYMBOL*
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
*CAS latency indicated in parentheses.
NOTE:
1. For this example, the burst length = 4, and the CAS latency = 2.
2. A8 and A9 =
Don
t Care.
3. DQM represents DQML and DQMH. DQML controls the lower byte, and DQMH controls the upper byte.
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