參數(shù)資料
型號(hào): M2V56S20AKT
廠商: Mitsubishi Electric Corporation
英文描述: 256M Synchronous DRAM
中文描述: 256M同步DRAM
文件頁(yè)數(shù): 9/49頁(yè)
文件大?。?/td> 244K
代理商: M2V56S20AKT
Feb.2000
MITSUBISHI LSIs
MITSUBISHI ELECTRIC
SDRAM (Rev.1.1)
Single Data Rate
M2V56S20/ 30/ 40/ TP -6, -7, -8
256M Synchronous DRAM
9
FUNCTION TRUTH TABLE (continued)
Current State
/CS
/RAS
/CAS
/WE
Address
Command
Action
PRE -
CHARGING
H
X
X
X
X
DESEL
NOP (Idle after tRP)
L
H
H
H
X
NOP
NOP (Idle after tRP)
L
H
H
L
X
TBST
ILLEGAL*2
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL*2
L
L
H
H
BA, RA
ACT
ILLEGAL*2
L
L
H
L
BA, A10
PRE / PREA
NOP*4 (Idle after tRP)
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
ROW
ACTIVATING
H
X
X
X
X
DESEL
NOP (Row Active after tRCD)
L
H
H
H
X
NOP
NOP (Row Active after tRCD)
L
H
H
L
X
TBST
ILLEGAL*2
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL*2
L
L
H
H
BA, RA
ACT
ILLEGAL*2
L
L
H
L
BA, A10
PRE / PREA
ILLEGAL*2
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
WRITE RE-
COVERING
H
X
X
X
X
DESEL
NOP
L
H
H
H
X
NOP
NOP
L
H
H
L
X
TBST
ILLEGAL*2
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL*2
L
L
H
H
BA, RA
ACT
ILLEGAL*2
L
L
H
L
BA, A10
PRE / PREA
ILLEGAL*2
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
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M2V56S20ATP 256M Synchronous DRAM
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