Hitachi HTS541680J9AT00 Specifications - Page 48
Device Terminating Read DMA - 0 drivers
UPC - 683728200794
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7.9.4 Travelstar 5K160 (PATA) Hard Disk Drive Specification Device Terminating Read DMA DMARQ DMACKSTOP HDMARDYDSTROBE DD(15:0) tSS tLI tMLI tACK tLI tACK tLI tIORDYZ tAZ xxxxx tZAH tDH tDS xxxxxxxxxxxxxxxxxx CRC xxxxxxxxxx Device drives DD Host drives DD PARAMETER MODE0 MODE1 MODE2 DESCRIPTION MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) tSS Time from 50 - 50 - 50 - DSTROBE edge to negation of DMARQ tLI Limited interlock 0 150 0 150 0 150 time tAZ Maximum time - 10 - 10 - 10 allowed for output drivers to release tZAH Maximum 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 for 20 - 20 - 20 - DMACK- negation tIORDYZ Maximum time - 20 - 20 - 20 before releasing IORDY Figure 10. Ultra DMA cycle timings (Device Terminating Read) MODE3 MIN MAX (ns) (ns) 50 - 0 100 - 10 20 - 20 - 7 - 5 - 20 - - 20 MODE4 MIN MAX (ns) (ns) 50 - 0 100 - 10 20 - 20 - 5 - 5 - 20 - - 20 MODE5 MIN MAX (ns) (ns) 50 - 0 75 - 10 20 - 20 - 4 - 4.6 - - - - - 48/188