IBM DTTA-351010 Hard Drive Specifications - Page 40
Device Terminating Read DMA
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6.2.4.4 Device Terminating Read DMA < > Tss DMARQ < Tmli > DMACK < Tli > < Tack > STOP < Tli > < Tack > HDMARDY < Tli > < > Trdyz DSTROBE < > Taz Tds < > < > Tdh DB(15:00) XXXXX XXXXXXXXXXXXXXXXXXXXXX CRC XXXXXXXXXX < Tzah > > < Device drives DB Host drives DB PARAMETER DESCRIPTION Tss Tli Taz Tzah Tmli Tds Tdh Tack Trdyz Time from strobe to stop assertion Limited interlock time Output release time Output enable time Interlock time Data setup time (at device side) Data Hold time (at device side) Hold time after DMACK negation Pull up time before DSTROBE release [nsec] MODE0 MODE1 MODE2 MIN MAX MIN MAX MIN MAX 50 0 150 10 20 20 15 5 20 20 50 0 150 10 20 20 10 5 20 20 50 0 150 10 20 20 7 5 20 20 Figure 24. Ultra D M A cycle timings (Device terminating Read) 32 OEM Specifications for DTTA-3xxxxx