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參數(shù)資料
| 型號： | M66287FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 262144-word x 8-bit x 3-FIELD MEMORY |
| 中文描述： | 262144字× 8位× 3場記憶 |
| 文件頁數(shù)： | 21/21頁 |
| 文件大小： | 196K |
| 代理商： | M66287FP |
MITSUBISHI <DIGITAL ASSP>
M66287FP
262144-word x 8-bit x 3-FIELD MEMORY
2002 MITSUBISHI ELECTRIC CORPORATION
21
SHORTEST READING of WRITTEN DATA in N CYCLE WHEN WRITE and READ OPERATED
ASYNCHRONOUSLY
The intervals of 16 cycles or more between a write cycle and a read cycle should be secured and WCK and RCK should be
inputted for 16 cycles or more based on beginning of write n cycle at any timing to read written data (data fetched at the
rising edge of WCK shown *1 in the following figure) with n cycles on write side.
On read side, n cycles should be started after the completion of n+15 cycles on write side (
t
≥
0 in the following figure).
Output data becomes undefined when these restrictions are not filled.
Dn
RCK
n-1 cycle
n cycle
invalid
Qn
(n+1)
WCK
n cycle
n+1 cycle
n+14 cycle
n-1 cycle
n+1 cycle
t
≥
0
(n-1)
*1
16 cycles or more are required in WCK.
16 cycles or more are required in RCK.
Reference
(n)
(n)
(n+1)
n+15 cycle
n+16 cycle
n+17 cycle
n+18 cycle
n+19 cycle
(n+14)
(n+15)
(n+16)
(n+17)
(n+18)
(n+19)
LONGEST READING of WRITTEN DATA in N CYCLE : 1-LINE DELAY
Data output Qn of n cycle <1>* can be read immediately before until the start of n cycle <1>* on read side and the start of
n cycle <2>* on write side over lap each other.
n cycle <1>*
0 cycle <2>*
n cycle <2>*
n cycle <0>*
0 cycle <1>*
n cycle <1>*
Dn
RCK
Qn
WCK
(n-1)<1>*
(n)<1>*
(n) <2>*
(n-1) <2>*
(n) <1>*
(0) <2>*
(n-1) <1>*
(0) <1>*
(n) <0>*
(n-1)<0>*
<0>*, <1>* and <2>* indicate a line value.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M66288FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:262144-word x 8-bit x 3-FIFO MEMORY |
| M66290AFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:USB DEVICE CONTROLLER |
| M66290AGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:USB DEVICE CONTROLLER |
| M66291GP | 制造商:Renesas Electronics Corporation 功能描述: |
| M66291GP#201 | 制造商:Renesas Electronics Corporation 功能描述:IC ASSP USB2.0 DEVICE CONTROLLER 48LQFP |
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