參數(shù)資料
型號: M13S32321A
廠商: Elite Semiconductor Memory Technology Inc.
英文描述: 256K x 32 Bit x 4 Banks Double Data Rate SDRAM
中文描述: 256K × 32位× 4個銀行雙倍數(shù)據(jù)速率SDRAM
文件頁數(shù): 29/49頁
文件大小: 769K
代理商: M13S32321A
ES MT
M13S32321A
Elite Semiconductor Memory Technology Inc.
Publication Date : Sep. 2006
Revision : 1.0 29/49
Current State
CS
RAS CAS
WE
Address
Command
Action
H
X
X
X
X
DESEL
NOP (Continue Burst to end)
L
H
H
H
X
NOP
NOP (Continue Burst to end)
L
H
H
L
BA
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A8
READ/READA
Terminate Burst With DM=High,
Latch CA, Begin Read, Determine
Auto-Precharge*3
L
H
L
L
BA, CA, A8
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, A8
PRE / PREA
Terminal Burst With DM=High,
Precharge
L
L
L
H
X
Refresh
ILLEGAL
WRITE
L
L
L
L
Op-Code Mode-Add
MRS
ILLEGAL
H
X
X
X
X
DESEL
NOP (Continue Burst to end)
L
H
H
H
X
NOP
NOP (Continue Burst to end)
L
H
H
L
BA
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A8
READ
READ*7
L
H
L
L
BA, CA, A8
WRITE
ILLEGAL
L
L
H
H
BA, RA
Active
Bank Active/ILLEGAL*2
L
L
H
L
BA, A8
PRE / PREA
ILLEGAL*2
L
L
L
H
X
Refresh
ILLEGAL
READ with
AUTO
PRECHARGE
L
L
L
L
Op-Code Mode-Add
MRS
ILLEGAL
H
X
X
X
X
DESEL
NOP (Continue Burst to END)
L
H
H
H
X
NOP
NOP (Continue Burst to END)
L
H
H
L
BA
Burst Stop
ILLEGAL
L
H
L
H
BA, CA, A8
READ
ILLEGAL
L
H
L
L
BA, CA, A8
WRITE
Write
L
L
H
H
BA, RA
Active
Bank Active/ILLEGAL*2
L
L
H
L
BA, A8
PRE / PREA
ILLEGAL*2
L
L
L
H
X
Refresh
ILLEGAL
WRITE with
AUTO
PRECHARGE
L
L
L
L
Op-Code Mode-Add
MRS
ILLEGAL
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