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參數資料
型號: 48SD1616RPFK
廠商: MAXWELL TECHNOLOGIES
元件分類: DRAM
英文描述: 256 Mb SDRAM 4-Meg X 16-Bit X 4-Banks
中文描述: 16M X 16 SYNCHRONOUS DRAM, 6 ns, DFP72
封裝: DFP-72
文件頁數: 5/42頁
文件大小: 596K
代理商: 48SD1616RPFK
48SD1616
M
em
o
ry
13
All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
256Mb (4-Meg X 16-Bit X 4-Banks) SDRAM
01.07.05 REV 4
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PDF資料
PDF描述
48SD1616 256 Mb SDRAM 4-Meg X 16-Bit X 4-Banks
48SD3208RPFK CAP 1.5UF 50V CERAMIC MONO 20%
48SD3208RPFE 256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFH 256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFI CAP 1.5UF 50V CERAMIC MONO 20%
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參數描述
48SD3208 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFE 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFH 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFI 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
48SD3208RPFK 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks
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