參數(shù)資料
型號(hào): SM5905AF
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
文件頁數(shù): 33/35頁
文件大?。?/td> 200K
代理商: SM5905AF
NIPPON PRECISION CIRCUITS-33
SM5905AF
NCAS2
(DRAM2 SELECT)
A0 to A9
D0 to D3
(WRITE)
NRAS
NWE
t
RASH
t
RASL
t
t
CASL
CASH
t
CADS
t
RADH
t
t
RADS
CADH
t
CWDS
t
CWDH
t
WEL
t
RDC
DRAM write timing (NRAS, NCAS2, NWE, A0 to A9, D0 to D3)
Write timing (with double DRAM)
Use external DRAM.
DRAM read timing (NRAS, NCAS2, NWE, A0 to A9, D0 to D3)
Read timing (with double DRAM)
Use external DRAM.
NCAS2
(DRAM2 SELECT)
A0 to A9
NRAS
D0 to D3
(READ)
NWE
RASL
t
RASH
t
CASH
t
t
CASL
RCD
t
RADS
t
t
RADH
CADS
t
CADH
t
CRDS
t
CRDH
t
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