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DM9006 Datasheet(PDF) 73 Page - Davicom Semiconductor, Inc. |
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DM9006 Datasheet(HTML) 73 Page - Davicom Semiconductor, Inc. |
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73 / 76 page 
DM9006 2-port Switch with Processor Interface Preliminary datasheet 73 DM9006-13-DS-P01 September 1, 2009 10.4.3 Processor I/O Write Timing IOW# SD0~15 CS#,CMD T1 T2 T3 T4 T5 T6 ∫ ∫ Symbol Parameter Min. Typ. Max. Unit T1 CS#,CMD valid to IOW# valid 5 ns T2 IOW# Invalid to CS#,CMD Invalid 5 ns T3 IOW# Width 20 ns T4 IOW# Invalid to next IOW#/IOR# valid When write DM9006 INDEX port 1 Clk *1 T4 IOW# Invalid to next IOW#/IOR# valid When write DM9006 DATA port 2 Clk *1 T3+T4 IOW# Invalid to next IOW#/IOR# valid When write DM9006 memory 1 Clk *1 T5 System Data(SD) Setup Time 5 ns T6 System Data(SD) Hold Time 3 ns *1 : the Unit: clk is under the internal system clock 50MHz.(20ns). |
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