IBM DJSA-210 Hard Drive Specifications - Page 61
PIO timings, MAX. ns, MIN ns, PARAMETER DESCRIPTION
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7.7 PIO timings The PIO cycle timings meet Mode 4 of the ATA-4 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 time tB IORDY pulse width MIN (ns) 120 25 70 25 20 10 20 5 - - - 10 0 - - MAX. (ns) 30 40 30 - - 35 1,250 Figure 36. PIO cycle timings Travelstar 32GH/30GT/20GN hard disk drive specifications 47