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: 45/50页
文件大小: 1054K
代理商: MT48LC2M32LFFC
45
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
WRITE – WITHOUT AUTO PRECHARGE
1
NOTE:
1. For this example, the burst length = 4, and the WRITE burst is followed by a “ manual” PRECHARGE.
2. Faster frequencies require two clocks (
t
WR >
t
CK).
3. A8 and A9 = “ Don’t Care”
*CAS latency indicated in parentheses.
-8
-10
SYMBOL*
t
CMH
t
CMS
t
DH
t
DS
t
RAS
t
RC
t
RCD
t
RP
t
WR
MIN
1
2
1
2
48
80
20
20
15
MAX
MIN
1
2
1
2
50
100
20
20
15
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
120,000
120,000
TIMING PARAMETERS
-8
-10
SYMBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CK (1)
t
CKH
t
CKS
MIN
1
2.5
3
3
8
13
25
1
2
MAX
MIN
1
2.5
3
3
10
13
25
1
2
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
DISABLE AUTO PRECHARGE
ALL BANKs
tCH
tCL
tCK
tRP
tRAS
tRC
tRCD
CKE
CLK
DQ
A10
tCMH
tCMS
tAH
tAS
ROW
ROW
BANK
BANK
BANK
ROW
ROW
BANK
tWR
DON’T CARE
UNDEFINED
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
PRECHARGE
ACTIVE
tAH
tAS
tAH
tAS
tDH
tDS
tDH
tDS
tDH
tDS
SINGLE BANK
tCKH
tCKS
COLUMN
m
3
2
T0
T1
T2
T4
T3
T5
T6
T7
T8
DQM 0-3
BA0, BA1
A0-A9
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