參數(shù)資料
型號: MB81117822A-125
廠商: Fujitsu Limited
英文描述: CMOS 2×1M ×8 Bit Synchronous Dynamic RAM(CMOS 2×1M ×8 位同步動態(tài)RAM)
中文描述: 的CMOS 2 × 100萬× 8位同步動態(tài)隨機存儲器(2 × 100萬的CMOS × 8位同步動態(tài)RAM)的
文件頁數(shù): 8/43頁
文件大?。?/td> 275K
代理商: MB81117822A-125
8
MB81117822A-125/-100/-84/-67
(Continued)
Current
State
CS
RAS CAS
WE
Addr
Command
Function
Notes
Read
H
X
X
X
X
DESL
NOP (Continue Burst to End
Bank
Active)
L
H
H
H
X
NOP
NOP (Continue Burst to End
Bank
Active)
L
H
H
L
X
BST
Burst Stop
Bank Active (BL = Full
Column)
NOP
4, 8)
(BL = 1, 2,
L
H
L
H
BA, CA, AP
READ/READA
Terminate Burst, New Read ;
Determine AP
L
H
L
L
BA, CA, AP
WRIT/WRITA
Terminate Burst, Start Write ;
Determine AP
*4
L
L
H
H
BA, RA
ACTV
Illegal
*2
L
L
H
L
BA, AP
PRE/PALL
Terminate Burst, Precharge ;
Determine Precharge Type
L
L
L
H
X
REF/SELF
Illegal
L
L
L
L
MODE
MRS
Illegal
Write
H
X
X
X
X
DESL
NOP (Continue Burst to End
Write Recovering)
L
H
H
H
X
NOP
NOP (Continue Burst to End
Write Recovering)
L
H
H
L
X
BST
Burst Stop
Write Recovering
Bank Active (BL = Full Column)
NOP
(BL = 1, 2, 4, 8)
L
H
L
H
BA, CA, AP
READ/READA
Terminate Burst, Start Read ;
Determine AP
L
H
L
L
BA, CA, AP
WRIT/WRITA
Terminate Burst, New Write ;
Determine AP
*4
L
L
H
H
BA, RA
ACTV
Illegal
*2
L
L
H
L
BA, AP
PRE/PALL
Terminate Burst, Precharge ;
Determine Precharge Type
*4
L
L
L
H
X
REF/SELF
Illegal
L
L
L
L
MODE
MRS
Illegal
相關(guān)PDF資料
PDF描述
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