Hitachi IC25N040ATCS04-0 Specifications - Page 61
PIO timings
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7.7 PIO timings The PIO cycle timings meet Mode 4 of the ATA-5 description. CS(1:0)DA(2:0) DIOR-, DIOWWrite data DD(15:0) Read data DD(15:0) IOCS16-(*) IORDY t9 t1 t0 t2 t2i t3 t4 t5 t6 t6z t7(*) t8(*) tRD tA tB (*) Up to ATA-2 (mode-0,1,2) PARAMETER DESCRIPTION t0 Cycle time t1 Address valid to DIOR-/DIOW- setup t2 DIOR-/DIOW- pulse width t2i DIOR-/DIOW- recovery time t3 DIOW- data setup t4 DIOW- data hold t5 DIOR- data setup t6 DIOR- data hold t6z DIOR- data tristate t7(*) Address valid to IOCS16- assertion t8(*) Address valid to IOCS16- released t9 DIOR-/DIOW- to address valid hold tRD Read data valid to IORDY active tA IORDY setup width tB IORDY pulse width Figure 38. PIO cycle timings MIN (ns) 120 25 70 25 20 10 20 5 - - - 10 0 - - MAX. (ns) 30 40 30 - - 35 1,250 Hitachi Travelstar 60GH & 40GN hard disk drive specifications 48