IBM DARA-206000 Hard Drive Specifications - Page 55
Data Hold time
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PARAMETER DESCRIPTION Tui Tack Tenv Tzrdy Tfs Tcyc T2cyc Taz Tzad Tdvs Tdvh Unlimited interlock time Setup time before DMACK assertion Envelope time Wait time before driving DSTROBE First strobe time Cycle Time 2 Cycle time Output release time Output enable time Data setup time (at device side) Data Hold time (at device side) [nsec] MODE0 MODE1 MODE2 MIN MAX MIN MAX MIN MAX 0 0 0 20 20 20 20 70 20 70 20 70 0 0 0 0 230 0 200 0 170 112 73 54 230 154 115 10 10 10 0 0 0 70 48 30 6 6 6 PARAMETER DESCRIPTION Tui Tack Tenv Tzrdy Tfs Tcyc T2cyc Taz Tzad Tdvs Tdvh Unlimited interlock time Setup time before DMACK assertion Envelope time Wait time before driving DSTROBE First strobe time Cycle Time 2 Cycle time Output release time Output enable time Data setup time (at device side) Data Hold time (at device side) [nsec] MODE3 MODE4 MIN MAX MIN MAX 0 20 20 55 0 0 130 39 86 10 0 20 6 0 20 20 55 0 0 120 25 57 10 0 6 6 Figure 33. Ultra D M A cycle timings (Initiating Read) Electrical Interface Specifications 45