Hitachi IC25N040ATMR04-0 Specifications - Page 61
Initiating Write DMA
UPC - 407061052632
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7.9.5 Initiating Write DMA DMARQ tUI DMACKSTOP tENV tACK tLI tZIORDY DDMARDY- tACK tUI t2CYC tCYC tCYC HSTROBE DD(15:0) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx tDH tDS WT Data xxx WT Data xxx WT Data Host drives DD Table 32: Ultra DMA cycle timing (Initiating Write) PARAMETER DESCRIPTION tUI tACK tENV tZIORDY tLI tCYC t2CYC tDS tDH Unlimited interlock time Setup time for DMACKEnvelope time Minimum time before driving IORDY Limited interlock time Cycle time Two cycle time Data setup time at device Data Hold time at device MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) 0-0-0-0-0-0- 20 - 20 - 20 - 20 - 20 - 20 - 20 70 20 70 20 70 20 55 20 55 20 55 0-0-0-0-0-0- 0 150 0 150 0 150 0 100 0 100 0 75 112 - 73 - 54 - 39 - 25 - 16.8 - 230 - 154 - 115 - 86 - 57 - 38 - 15 - 10 - 7 - 7 - 5 - 4 - 5 - 5 - 5 - 5 - 5 - 4.6 - Travelstar 80GN Hard Disk Drive Specification 51