參數(shù)資料
型號: MT48LC8M8A2TG-8EL:GIT
元件分類: DRAM
英文描述: 8M X 8 SYNCHRONOUS DRAM, 6 ns, PDSO54
封裝: 0.400 INCH, PLASTIC, TSOP2-54
文件頁數(shù): 38/55頁
文件大?。?/td> 1454K
43
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 READ – WITHOUT AUTO PRECHARGE 1
TIMING PARAMETERS
-6
-7E
-75
-8E
SYMBOL* MIN MAX MIN MAX
MIN MAX MIN MAX UNITS
tAC(3)
5.5
5.4
6
ns
tAC(2)
5.4
6
ns
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
tHZ(3)
5.5
5.4
6
ns
tHZ(2)
5.4
6
ns
tLZ
1
ns
tOH
2
3
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
*CAS latency indicated in parentheses.
ALL BANKS
tCH
tCL
tCK
tAC
tLZ
tRP
tRAS
tRCD
CAS Latency
tRC
tOH
DOUT m
tCMH
tCMS
tAH
tAS
tAH
tAS
tAH
tAS
ROW
BANK
BANK(S)
BANK
ROW
BANK
tHZ
tCMH
tCMS
NOP
NOP3
NOP
PRECHARGE
ACTIVE
NOP
READ
ACTIVE
NOP
DISABLE AUTO PRECHARGE
SINGLE BANKS
COLUMN m2
tCKH
tCKS
T0
T1
T2
T3
T4
T5
T6
T7
T8
DQM /
DQML, DQMH
CKE
CLK
A0-A9, A11
DQ
BA0, BA1
A10
COMMAND
DON’T CARE
UNDEFINED
-6
-7E
-75
-8E
SYMBOL* MIN MAX MIN MAX
MIN MAX MIN MAX UNITS
NOTE:
1. For this example, the burst length = 1, the CAS latency = 2, and the READ burst is followed by a “manual” PRECHARGE.
2. x16: A8, A9 and A11 = “Don’t Care”
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
3. PRECHARGE command not allowed else tRAS would be violated.
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