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RMLD232UAW датащи(PDF) 26 Page - Emerging Memory & Logic Solutions Inc

номер детали RMLD232UAW
подробное описание детали  2M x 32 bit Low Power DDR SDRAM
PDF  50 Pages
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производитель  EMLSI [Emerging Memory & Logic Solutions Inc]
домашняя страница  http://www.emlsi.com
Logo EMLSI - Emerging Memory & Logic Solutions Inc

RMLD232UAW датащи(HTML) 26 Page - Emerging Memory & Logic Solutions Inc

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26
Rev 0.7
64Mb Low Power DDR SDRAM
Advanced
Functional Truth Table
Current State
CS
RAS
CAS
WE
Address
Command
Action
WRITE
L
H
H
L
X
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
Terminate Burst with DM=High,
Latch CA, Begin Read, Determine
Auto-Precharge*3
L
H
L
L
BA, CA, A10
WRITE/WRITEA
Terminate Burst, Latch CA,
Begin new Write, Determine Auto-
Precharge*3
L
L
H
H
BA, RA
Active
Bank Active/ILLEGAL*2
L
L
H
L
BA, A10
PRE/PREA
Terminate Burst with DM=High,
Precharge
L
L
L
H
X
Refresh
ILLEGAL
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL
READ with
AUTO
PRECHARGE*6
(READA)
L
H
H
L
X
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL, Different Bank is LEGAL
L
H
L
L
BA, CA, A10
WRITE/WRITEA
ILLEGAL, Different Bank is LEGAL
L
L
H
H
BA, RA
Active
ILLEGAL, Different Bank is LEGAL
L
L
H
L
BA, A10
PRE/PREA
ILLEGAL, Different Bank is LEGAL
L
L
L
H
X
Refresh
ILLEGAL
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL
WRITE with
AUTO
PRECHARGE*7
(WRITEA)
L
H
H
L
X
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL, Different Bank is LEGAL
L
H
L
L
BA, CA, A10
WRITE/WRITEA
ILLEGAL, Different Bank is LEGAL
L
L
H
H
BA, RA
Active
ILLEGAL, Different Bank is LEGAL
L
L
H
L
BA, A10
PRE/PREA
ILLEGAL, Different Bank is LEGAL
L
L
L
H
X
Refresh
ILLEGAL
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL



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