參數(shù)資料
型號(hào): MT48LC8M8A2TG-8EL:GIT
元件分類(lèi): DRAM
英文描述: 8M X 8 SYNCHRONOUS DRAM, 6 ns, PDSO54
封裝: 0.400 INCH, PLASTIC, TSOP2-54
文件頁(yè)數(shù): 46/55頁(yè)
文件大?。?/td> 1454K
50
64Mb: x4, x8, x16 SDRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
64MSDRAM.pmd – Rev. H; Pub. 12/04
2002 Micron Technology, Inc. All rights reserved.
64Mb: x4, x8, x16
SDRAM
SINGLE WRITE – WITHOUT AUTO PRECHARGE 1
TIMING PARAMETERS
-6
-7E
-75
-8E
SYMBOL* MIN MAX MIN MAX
MIN MAX
MIN MAX UNITS
tAH
1
0.8
1
ns
tAS
1.5
2
ns
tCH
2.5
3
ns
tCL
2.5
3
ns
tCK(3)
6
7
7.5
8
ns
tCK(2)
7.5
10
ns
tCKH
1
0.8
1
ns
tCKS
1.5
2
ns
tCMH
1
0.8
1
ns
tCMS
1.5
2
ns
tDH
1
0.8
1
ns
tDS
1.5
2
ns
tRAS
42
120,000
37
120,000
44 120,000
50
120,000
ns
tRC
60
66
70
ns
tRCD
18
15
20
ns
tRP
18
15
20
ns
tWR
12
14
15
ns
*CAS latency indicated in parentheses.
-6
-7E
-75
-8E
SYMBOL* MIN MAX MIN MAX
MIN MAX
MIN MAX UNITS
NOTE:
1. For this example, the burst length = 1, and the WRITE burst is followed by a “manual” PRECHARGE.
2. 15ns is required between <DIN m> and the PRECHARGE command, regardless of frequency.
3. x16: A8, A9 and A11 = “Don’t Care”
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
4. PRECHARGE command not allowed else tRAS would be violated.
DON’T CARE
DISABLE AUTO PRECHARGE
ALL BANKS
tCH
tCL
tCK
tRP
tRAS
tRCD
tRC
DQM /
DQML, DQMH
CKE
CLK
A0-A9, A11
DQ
BA0, BA1
A10
tCMH
tCMS
tAH
tAS
ROW
BANK
ROW
BANK
t WR
DIN m
tDH
tDS
COMMAND
tCMH
tCMS
ACTIVE
NOP
WRITE
NOP4
NOP
tAH
tAS
tAH
tAS
SINGLE BANK
tCKH
tCKS
COLUMN m 3
2
T0
T1
T2
T4
T3
T5
T6
T7
T8
PRECHARGE
ACTIVE
NOP
BANK
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