參數(shù)資料
型號(hào): 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(yè)數(shù): 30/55頁(yè)
文件大?。?/td> 1454K
36
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
INITIALIZE AND LOAD MODE REGISTER 1
tCH
tCL
tCK
CKE
CLK
COMMAND
DQ
BA0, BA1
BANK
tRFC
tMRD
tRFC
AUTO REFRESH
Program Mode Register 2, 3, 4
tCMH
tCMS
Precharge
all banks
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tRP
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tCKS
Power-up:
VDD and
CLK stable
T = 100s
MIN
PRECHARGE
NOP
AUTO
REFRESH
NOP
LOAD MODE
REGISTER
ACTIVE
NOP
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AUTO
REFRESH
ALL
BANKS
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High-Z
tCKH
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DQM /
DQML, DQMH
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NOP
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tCMH
tCMS
tCMH
tCMS
A0-A9, A11
ROW
tAH
tAS
CODE
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A10
ROW
tAH
tAS
CODE
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ALL BANKS
SINGLE BANK
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DON’T CARE
T0
T1
Tn + 1
To + 1
Tp + 1
Tp + 2
Tp + 3
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
-6
-7E
-75
-8E
SYMBOL*
MIN MAX MIN MAX MIN MAX MIN MAX UNITS
tCKS
1.5
2
ns
tCMH
1
0.8
1
ns
tCMS
1.5
2
ns
tMRD3
22
2
tCK
tRFC
60
66
70
ns
tRP
18
15
20
ns
*CAS latency indicated in parentheses.
NOTE:
1. If CS# is HIGH at clock HIGH time, all commands applied are NOP.
2. The mode register may be loaded prior to the AUTO REFRESH cycles if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after command is issued.
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