Hitachi 7K400 Specifications - Page 51
Host Terminating Read DMA
UPC - 000053412935
View all Hitachi 7K400 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 51 highlights
6.8.3 Host Terminating Read DMA Table 30: Ultra DMA cycle timing chart (Host terminating Read) 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 31: Ultra DMA cycle timings (Host terminating Read) tRFS tRP tLI tAZ tZAH tMLI tCS tCH tACK tIORDYZ PARAMETER DESCRIPTION (all values in ns) 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 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX - 75 - 70 - 60 - 60 - 60 - 50 160 - 125 - 100 - 100 - 100 - 85 - 0 150 0 150 0 150 0 100 0 100 0 75 - 10 - 10 - 10 - 10 - 10 - 10 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 15 - 10 - 7 - 7 - 5 - 5 - 5-5-5-5-5-5- 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Deskstar 7K400 Hard Disk Drive Specification 37