參數(shù)資料
型號(hào): MT48LC8M16A2FB-7E
廠商: Micron Technology, Inc.
英文描述: SYNCHRONOUS DRAM
中文描述: 同步DRAM
文件頁(yè)數(shù): 53/59頁(yè)
文件大?。?/td> 1822K
代理商: MT48LC8M16A2FB-7E
53
128Mb: x4, x8, x16 SDRAM
128MSDRAM_E.p65
Rev. E; Pub. 1/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
SDRAM
ALTERNATING BANK WRITE ACCESSES
1
DON
T CARE
tCH
tCL
tCK
CLK
DQ
D
IN
m
tDH
tDS
D
IN
m
+ 1
D
IN
m
+ 2
D
IN
m
+ 3
COMMAND
tCMH
tCMS
NOP
NOP
ACTIVE
NOP
WRITE
NOP
NOP
ACTIVE
tDH
tDS
tDH
tDS
tDH
tDS
ACTIVE
WRITE
D
IN
b
tDH
tDS
D
IN
b
+ 1
D
IN
b
+ 3
tDH
tDS
tDH
tDS
ENABLE AUTO PRECHARGE
DQM /
DQML, DQMH
A0-A9, A11
BA0, BA1
A10
tCMH
tCMS
tAH
tAS
tAH
tAS
tAH
tAS
ROW
ROW
ROW
ROW
ENABLE AUTO PRECHARGE
ROW
ROW
BANK 0
BANK 0
BANK 1
BANK 0
BANK 1
CKE
tCKH
tCKS
D
IN
b
+ 2
tDH
tDS
COLUMN
b
2
COLUMN
m
2
tRP - BANK 0
tRAS - BANK 0
t
RC - BANK 0
tRCD - BANK 0
t
t
RCD - BANK 0
tWR - BANK 0
WR - BANK 1
tRCD - BANK 1
t
RRD
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
NOTE:
1. For this example, the burst length = 4.
2. x16: A9 and A11 =
Don
t Care
x8: A11 =
Don
t Care
*CAS latency indicated in parentheses.
-7E
-75
-8E
SYMBOL*
t
DH
t
DS
t
RAS
t
RC
t
RCD
t
RP
t
RRD
t
WR
MIN
0.8
1.5
37
60
15
15
14
1 CLK +
7ns
MAX
MIN
0.8
1.5
44
66
20
20
15
1 CLK +
7.5ns
MAX
MIN
1
2
50
70
20
20
20
1 CLK +
7ns
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
120,000
120,000
120,000
TIMING PARAMETERS
-7E
-75
-8E
SYMBOL*
t
AH
t
AS
t
CH
t
CL
t
CK (3)
t
CK (2)
t
CKH
t
CKS
t
CMH
t
CMS
MIN
0.8
1.5
2.5
2.5
7
7.5
0.8
1.5
0.8
1.5
MAX
MIN
0.8
1.5
2.5
2.5
7.5
10
0.8
1.5
0.8
1.5
MAX
MIN
1
2
3
3
8
10
1
2
1
2
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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