參數(shù)資料
型號(hào): M5M4V64S20ATP-8A
廠商: Mitsubishi Electric Corporation
英文描述: 64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM
中文描述: 64M號(hào)(4銀行甲4194304字× 4位)同步DRAM
文件頁(yè)數(shù): 6/48頁(yè)
文件大?。?/td> 1097K
代理商: M5M4V64S20ATP-8A
M5M4V64S20ATP-8, -10, -12
Jan'97
Preliminary
MITSUBISHI LSIs
64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM
MITSUBISHI ELECTRIC
SDRAM (Rev.0.2)
FUNCTION TRUTH
TABLE
/CS
/RAS
/CAS
/WE
Address
Command
Action
IDLE
H
X
X
X
X
DESEL
NOP
L
H
H
H
X
NOP
NOP
L
H
H
L
BA
TBST
ILLEGAL*2
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL*2
L
L
H
H
BA, RA
ACT
Bank Active, Latch RA
L
L
H
L
BA, A10
PRE / PREA
NOP*4
L
L
L
H
X
REFA
Auto-Refresh*5
L
L
L
L
Op-Code,
Mode-Add
MRS
Mode Register Set*5
ROW ACTIVE
H
X
X
X
X
DESEL
NOP
L
H
H
H
X
NOP
NOP
L
H
H
L
BA
TBST
NOP
L
H
L
H
BA, CA, A10
READ / READA
Begin Read, Latch CA,
Determine Auto-Precharge
L
H
L
L
BA, CA, A10
WRITE /
WRITEA
Begin Write, Latch CA,
Determine Auto-Precharge
L
L
H
H
BA, RA
ACT
Bank Active / ILLEGAL*2
L
L
H
L
BA, A10
PRE / PREA
Precharge / Precharge All
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
READ
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
TBST
Terminate Burst
L
H
L
H
BA, CA, A10
READ / READA
Terminate Burst, Latch CA,
Begin New Read, Determine
Auto-Precharge*3
L
H
L
L
BA, CA, A10
WRITE /
WRITEA
Terminate Burst, Latch CA,
Begin Write, Determine Auto-
Precharge*3
L
L
H
H
BA, RA
ACT
Bank Active / ILLEGAL*2
L
L
H
L
BA, A10
PRE / PREA
Terminate Burst, Precharge
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
6
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