参数资料
型号: MT48LC2M32LFFC
厂商: Micron Technology, Inc.
英文描述: 512K x 32 x 4 banks 3.3v SDRAM(3.3V,512K x 32 x 4组同步动态RAM)
中文描述: 为512k × 32 × 4银行3.3V的内存电压(3.3V,512K采样× 32 × 4组同步动态RAM)的
文件页数: 44/50页
文件大小: 1054K
代理商: MT48LC2M32LFFC
44
64Mb: x32, 3.3V SDRAM
BatRam_3V.p65 – Rev. 0.7, Pub. 2/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
64Mb: x32, 3.3V
SDRAM
PRELIMINARY
READ – DQM OPERATION
1
NOTE:
1. For this example, the CAS latency = 2.
2. A8 and A9 = “ Don’t Care”
3. Page left open; no
t
RP.
tCH
tCL
tCK
tRCD
CAS Latency
CKE
CLK
DQ
A10
tCMS
ROW
BANK
ROW
BANK
DON’T CARE
UNDEFINED
tAC
LZ
t
D
OUT
m
tHZ
tOH
D
OUT
m
+ 3
tHZ
D
OUT
m
+ 2
LZ
t
tCMH
COMMAND
NOP
NOP
NOP
ACTIVE
NOP
READ
NOP
NOP
NOP
tAC
tOH
tAC
tOH
tAH
tAS
tCMS
tCMH
tAH
tAS
tAH
tAS
tCKH
tCKS
ENABLE AUTO PRECHARGE
DISABLE AUTO PRECHARGE
COLUMN
m
2
T0
T1
T2
T4
T3
T5
T6
T7
T8
BA0, BA1
DQM 0-3
A0-A9
*CAS latency indicated in parentheses.
-8
-10
SYMBOL*
t
CKH
t
CKS
t
CMH
t
CMS
t
HZ (3)
t
HZ (2)
t
HZ (1)
t
LZ
t
OH
t
RCD
MIN
1
2
1
2
MAX
MIN
1
2
1
2
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7
8
22
7
8
22
1
1
2.5
20
2.5
20
TIMING PARAMETERS
-8
-10
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
7
8
22
MIN
MAX
7
8
22
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
1
2.5
3
3
8
13
25
2.5
3
3
10
13
25
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