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參數(shù)資料
| 型號(hào)： | SM5902AF |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | compression and non compression type shock-proof memory controller |
| 中文描述： | 壓縮和非壓縮式防震內(nèi)存控制器 |
| 文件頁(yè)數(shù)： | 9/40頁(yè) |
| 文件大小： | 312K |
| 代理商： | SM5902AF |
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DRAM access timing (with single DRAM)
The NWE terminal output is fixed HIGH during read timing.
DRAM access timing (with 2 DRAMs)
The NWE terminal output is fixed HIGH during read timing.
NCAS terminal output is fixed HIGH when selecting "DRAM2".
NCAS2 terminal output is fixed HIGH when selecting "DRAM1".
NIPPON PRECISION CIRCUITS-9
SM5902AF
NCAS
A0 to A10
D0 to D3
(WRITE)
NRAS
D0 to D3
(READ)
NWE
(WRITE)
3
WCS
t
CY
t
6
WEL
CY
t
CRDH
t
CRDS
t
CWDH
3
CY
t
CWDS
3
CY
t
5
CADH
t
CY
t
CADS
1
t
CY
t
RADH
1
t
CY
t
RADS
1
t
CY
t
5
3
2
t
RCD
t
CY
t
CASL
CY
CASH
CY
t
RASH
3
t
CY
t
t
CY
5
RASL
t
NCAS
(DRAM1 SELECT)
A0 to A9
NRAS
D0 to D3
(READ)
NCAS2
(DRAM2 SELECT)
D0 to D3
(WRITE)
NWE
(WRITE)
5
3
2
5
3
1
1
1
3
3
5
2
5
3
3
RASH
CY
t
RASL
CY
t
RCD
CY
t
t
CASL
CY
CASH
CY
t
CASH
CY
t
t
CASL
CY
RDC
CY
t
t
RADS
CY
RADH
CY
t
CADS
CY
t
CADH
CY
t
CWDH
CY
t
CWDS
CY
t
CRDS
t
CRDH
t
WCS
CY
t
WEL
6
CY
t
WCS
t
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM5903BF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5903BF_00 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5903CF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type anti-shock memory controller |
| SM5904BF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5904CF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type |
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