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: 36/50页
文件大小: 1058K
代理商: MT48V2M32LFFC
36
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
NOTE:
1. Violating refresh requirements during power-down may result in a loss of data.
POWER-DOWN MODE
1
*CAS latency indicated in parentheses.
-8
-10
SYMBOL*
t
CK (1)
t
CKH
t
CKS
t
CMH
t
CMS
MIN
25
1
2.5
1
2.5
MAX
MIN
25
1
2.5
1
2.5
MAX
UNITS
ns
ns
ns
ns
ns
TIMING PARAMETERS
-8
-10
SYMBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
MIN
1
2.5
3
3
8
13
MAX
MIN
1
2.5
3
3
10
13
MAX
UNITS
ns
ns
ns
ns
ns
ns
tCH
tCL
tCK
Two clock cycles
CKE
CLK
DQ
All banks idle, enter
power-down mode
Precharge all
active banks
Input buffers gated off while in
power-down mode
Exit power-down mode
(
)
(
)
(
)
(
)
tCKS
tCKS
COMMAND
tCMH
tCMS
PRECHARGE
NOP
NOP
ACTIVE
NOP
(
)
(
)
(
)
(
)
All banks idle
BA0, BA1
BANK
BANK(S)
(
)
(
)
(
)
(
)
High-Z
tAH
tAS
tCKH
tCKS
DQM 0-3
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
A0-A9
ROW
(
)
(
)
(
)
(
)
ALL BANKS
SINGLE BANK
A10
ROW
(
)
(
)
(
)
(
)
T0
T1
T2
Tn + 1
Tn + 2
DON’T CARE
UNDEFINED
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