Hitachi IC25N080ATMR04-0 Specifications - Page 59
Host Terminating Read DMA
UPC - 000000114196
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7.9.3 Host Terminating Read DMA DMARQ DMACKSTOP tLI tRP tMLI tACK tACK HDMARDYDSTROBE DD(15:0) tRFS tLI tIORDYZ tAZ xxx RD Data xxxxxxxxxxxxxxxxxx tCH tCS xxx CRC xxxxxxxxxxx tZAH Device drives DD Host drives DD Table 30: Ultra DMA cycle timings (Host Terminating Read) tRFS tRP tLI tAZ tZAH tMLI tCS tCH tACK tIORDYZ PARAMETER DESCRIPTION HDMARDY- to final DSTROBE time Ready to pause time Limited interlock time Maximum time allowed for output drivers to release Minimum delay time required for output Interlock time with minimum CRC word setup time at device CRC word hold time at device Hold time for DMACKMaximum time before releasing IORDY MODE 0 MIN MAX (ns) (ns) - 75 160 - 0 150 - 10 20 - 20 - 15 - 5- 20 - - 20 MODE 1 MIN MAX (ns) (ns) - 70 125 - 0 150 - 10 20 - 20 - 10 - 5- 20 - - 20 MODE 2 MIN MAX (ns) (ns) - 60 100 - 0 150 - 10 20 - 20 - 7- 5- 20 - - 20 MODE 3 MODE 4 MIN MAX MIN MAX (ns) (ns) (ns) (ns) - 60 - 60 100 - 100 - 0 100 0 100 - 10 - 10 20 - 20 - 20 - 20 - 7-5- 5-5- 20 - 20 - - 20 - 20 MODE 5 MIN MAX (ns) (ns) - 50 85 - 0 75 - 10 20 - 20 - 4- 4.6 - 20 - - 20 Travelstar 80GN Hard Disk Drive Specification 49