Hitachi HTS541680J9AT00 Specifications - Page 45

Travelstar 5K160 (PATA) Hard Disk Drive Specification 7.9 Ultra DMA timings The Ultra DMA timings meet Mode 0, 1, 2, 3, 4, and 5 of the Ultra DMA Protocol. 7.9.1 Initiating Read DMA DMARQ DMACKSTOP HDMARDY- tUI tACK tENV tACK tENV tZIORDY DSTROBE tAZ DD(15:0) xxxxxxxxxxxxxxxxxxxxxxxxx Host drives DD t2CYC tFS tCYC tCYC tAZD tDS tDH xxx RD Data xxx RD Data xxx RD Data Device drives DD PARAMETER MODE0 MODE1 DESCRIPTION MIN MAX MIN MAX (ns) (ns) (ns) (ns) tUI Unlimited 0 - 0 - interlock time tACK Setup time for 20 - 20 - DMACK- assertion tENV Envelope time 20 70 20 70 tZIORD Minimum time 0 - 0 - before driving IORDY tFS First DSTROBE 0 230 0 200 time tCYC Cycle time 112 - 73 - t2CYC Two cycle time 230 - 154 - tAZ Maximum time - 10 - 10 allowed for output drivers to release tAZD Drivers to assert 0 - 0 - tDS Data setup time 15 - 10 - at host tDH Data hold time 5 - 5 - at host Figure 7. Ultra DMA cycle timings (Initiating Read) MODE2 MIN MAX (ns) (ns) 0 - 20 - 20 70 0 - 0 170 54 - 115 - - 10 0 - 7 - 5 - MODE3 MIN MAX (ns) (ns) 0 - 20 - 20 55 0 - 0 130 39 - 86 - - 10 0 - 7 - 5 - MODE4 MIN MAX (ns) (ns) 0 - 20 - 20 55 0 - 0 120 25 - 57 - - 10 0 - 5 - 5 - MODE5 MIN MAX (ns) (ns) 0 - 20 - 20 50 0 - 0 90 16.8 - 38 - - 10 0 - 4 - 4.6 - 45/188