參數(shù)資料
型號: MSM548333
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 240,384-Word×8-bit + 240,384-Word×4-bit Triple Port type Field Memory(雙存儲塊分別為240,384字×8位和240,384字×4位三口型場存儲器)
中文描述: 240384 -字× 8位240384 -字× 4位的三場端口類型內(nèi)存(雙存儲塊分別為240384字× 8位和240384字× 4位三口型場存儲器)
文件頁數(shù): 24/42頁
文件大?。?/td> 421K
代理商: MSM548333
Semiconductor
MSM548333
24/42
Write Cycle (WE Control)
Write Cycle (IE Control)
Note :In the WE/WY = "L" cycle, the write address pointer is not incremented and no DIN data is
written.
Note :In the IE = "L" cycle, the write address pointer is incremented, though no DIN data is written
and the memory data is held.
WCLK
t
WCLK
N CYCLE
(N-1)CYCLE
(N-2)CYCLE
(N+2) CYCLE
(N+1) CYCLE
Low
WADE/RX
\
\
IE
t
WEH
t
WEDS
t
WEDH
t
WES
\
\
\
\
WXINC
\
\
WE/WY
\
\
DINY/0 - 7
\
\
DINC/0 - 3
High
Low
WR/TR
\
\
Low
Valid
D(N+2)
Valid
D(N+1)
Valid
D(N)
Valid
D(N-1)
Valid
D(N-2)
Valid
D(N-3)
WCLK
t
WCLK
N CYCLE
(N-1)CYCLE
(N-2)CYCLE
(N+3) CYCLE
(N+2) CYCLE
Low
WADE/RX
\
\
WE/WY
t
IEH
t
IEDS
t
IEDH
t
IES
\
\
\
\
WXINC
\
\
IE
\
\
DINY/0 - 7
\
\
DINC/0 - 3
High
Low
WR/TR
\
\
Low
Valid
D(N+3)
Valid
D(N+2)
Valid
D(N)
Valid
D(N-1)
Valid
D(N-2)
Valid
D(N-3)
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