参数资料
型号: MT48V2M32LFFC
厂商: Micron Technology, Inc.
英文描述: 512K x 32 x 4 banks 2.5V SDRAM(2.5V,512K x 32 x 4组同步动态RAM)
中文描述: 为512k × 32 × 4银行2.5V的内存电压(2.5V,512K采样× 32 × 4组同步动态RAM)的
文件页数: 49/50页
文件大小: 1058K
代理商: MT48V2M32LFFC
49
64Mb: x32 SDRAM, 2.5V
BatRam_25V.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, 2.5V
SDRAM
PRELIMINARY
WRITE – DQM OPERATION
1
NOTE:
1. For this example, the burst length = 4.
2. A8 and A9 = “ Don’t Care”
*CAS latency indicated in parentheses.
-8
-10
SYMBOL*
t
CKH
t
CKS
t
CMH
t
CMS
t
DH
t
DS
t
RCD
MIN
1
2.5
1
2.5
1
2.5
20
MAX
MIN
1
2.5
1
2.5
1
2.5
20
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
TIMING PARAMETERS
-8
-10
SY MBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CK (1)
MIN
1
2.5
3
3
8
13
25
MAX
MIN
1
2.5
3
3
10
13
25
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
DON’T CARE
UNDEFINED
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
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