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參數(shù)資料
| 型號： | 97SD3240 |
| 廠商： | Maxwell Technologies, Inc |
| 英文描述： | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 中文描述： | 1.25Gb內(nèi)存8梅格× 40位× 4，銀行 |
| 文件頁數(shù)： | 4/39頁 |
| 文件大?。?/td> | 760K |
| 代理商： | 97SD3240 |
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97SD3240
M
em
o
ry
12
All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
1.25Gb (8-Meg X 40-Bit X 4-Banks) SDRAM
02.04.05 Rev 3
Function Truth Table
The following function table shows the operations that are performed when each command is issued in each
mode of the SDRAM.
The following table assumes that CKE is High.
CURRENT STATE
CS
RAS
CAS
WE
ADDRESS
COMMAND
OPERATION
Precharge
H
x
DESL
Enter IDLE after t
RP
L
H
x
NOP
Enter IDLE after t
RP
L
H
L
H
BA, CA, A10
READ/READ A
ILLEGAL1
L
H
L
BA, CA, A10
WRIT/WRIT A
ILLEGAL1
L
H
BA, RA
ACTV
ILLEGAL1
L
H
L
BA, A10
PRE, PALL
NOP2
L
H
x
REF, SELF
ILLEGAL
L
MODE
MRS
ILLEGAL
Idle
H
x
DESL
NOP
LH
H
x
NOP
L
H
L
H
BA, CA, A10
READ/READ A
ILLEGAL3
L
H
L
BA, CA, A10
WRIT/WRIT A
ILLEGAL3
L
H
BA, RA
ACTV
Bank and row active
L
H
L
BA, A10
PRE, PALL
NOP
L
H
x
REF, SELF
Refresh
L
MODE
MRS
Mode register set
Row active
H
x
DESL
NOP
LH
H
x
NOP
L
H
L
H
BA, CA, A10
READ/READ A
Begin read
L
H
L
BA, CA, A10
WRIT/WRIT A
Begin write
L
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank4
L
H
L
BA, A10
PRE, PALL
Precharge
L
H
x
REF, SELF
ILLEGAL
L
MODE
MRS
ILLEGAL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 97SD3248RPQE | 1.5Gb SDRAM 8-Meg X 48-Bit X 4-Banks |
| 97SD3248 | RESISTOR WW POWER 700 OHM 5W |
| 98030-1014 | 96 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, PRESS FIT |
| 98030-1015LF | 48 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, PRESS FIT |
| 98030-1015 | 48 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, PRESS FIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 97SD3240_06 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQE | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQH | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQI | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQK | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
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