参数资料
型号: MT48V4M32LFFC
厂商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件页数: 43/61页
文件大小: 1400K
代理商: MT48V4M32LFFC
43
128Mb: x16, x32 Mobile SDRAM
MobileY95W_3V_F.p65 – Rev. F; Pub. 9/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x16, x32
MOBILE SDRAM
ADVANCE
AUTO REFRESH MODE
tCH
tCL
tCK
CKE
CLK
DQ
tRFC
1
()()
()()
()()
tRP
()()
()()
()()
()()
COMMAND
tCMH
tCMS
NOP
NOP
()()
()()
BANK
ACTIVE
AUTO
REFRESH
()()
()()
NOP
NOP
PRECHARGE
Precharge all
active banks
AUTO
REFRESH
tRFC
1
High-Z
BA0, BA1
BANK(S)
()()
()()
()()
()()
tAH
tAS
tCKH
tCKS
()()
NOP
()()
()()
()()
()()
DQMU, DQML
A0-A9, A11
ROW
(
)
(
)
(
)
(
)
ALL BANKS
SINGLE BANK
A10
ROW
(
)
(
)
(
(
)
(
)
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
T0
T1
T2
Tn + 1
To + 1
DON’T CARE
*CAS latency indicated in parentheses.
-8
-10
SYMBOL*
t
CK (1)
t
CKH
t
CKS
t
CMH
t
CMS
t
RFC
t
RP
MIN
20
1
2.5
1
2.5
80
20
MAX
MIN
25
1
2.5
1
2.5
100
20
MAX
UNITS
ns
ns
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
10
MAX
MIN
1
2.5
3
3
10
12
MAX
UNITS
ns
ns
ns
ns
ns
ns
NOTE
: 1. Each AUTO REFRESH command performs a refresh cycle. Back-to-back commands are not required.
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