Hitachi HTS541680J9AT00 Specifications - Page 47
Host Terminating Read DMA - 60 driver
UPC - 683728200794
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7.9.3 Travelstar 5K160 (PATA) Hard Disk Drive Specification Host Terminating Read DMA DMARQ tLI tMLI DMACKtRP tACK STOP tACK HDMARDYDSTROBE DD(15:0) tRFS tLI tIORDYZ tDH tAZ tDS xxx RD Data xxxxxxxxxxxxxxxxxx xxx CRC xxxxxxxxxx tZAH Device drives DD Host drives DD PARAMETER MODE 0 MODE 1 MODE 2 DESCRIPTION MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) tRFS HDMARDY- to - 75 - 70 - 60 final DSTROBE time tRP Minimum time to 160 - 125 - 100 - assert STOP tLI Limited interlock 0 150 0 150 0 150 time tAZ Maximum time - 10 - 10 - 10 allowed for output drivers to release tZAH Minimum delay 20 - 20 - 20 - time required for output tMLI Interlock time 20 - 20 - 20 - with minimum tDS CRC word setup 15 - 10 - 7 - time at device tDH CRC word hold 5 - 5 - 5 - time at device tACK Hold time 20 - 20 - 20 - DMACK- negation tIORDYZ Maximum time - 20 - 20 - 20 before releasing IORDY Figure 9. Ultra DMA cycle timings (Host Terminating Read) MODE 3 MIN MAX (ns) (ns) - 60 100 - 0 100 - 10 20 - 20 - 7 - 5 - 20 - - 20 MODE 4 MIN MAX (ns) (ns) - 60 100 - 0 100 - 10 20 - 20 - 5 - 5 - 20 - - 20 MODE5 MIN MAX (ns) (ns) - 50 85 - 0 75 - 10 20 - 20 - 4 - 4.6 - 20 - - 20 47/188