IBM DTCA-24090 Hard Drive Specifications - Page 58
Device Terminating Write DMA
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6.5.3.7 Device Terminating Write DMA DMARQ DMACK STOP DDMARDY HSTROBE DB(15:00) < < XXX < Trp > < Tmli > < Tack > < > Trdyz Trfs > < Tli > < Tack > WT Data Tds < > < > Tdh XXXXXXXXXXXXXXXXXXXXXXXXX CRC XXXXXXXXXX Host drives DB > [nsec] PARAMETER DESCRIPTION MODE0 MODE1 MODE2 MIN MAX MIN MAX MIN MAX Trfs Ready to final strobe time 75 60 50 Trp Ready to pause time 160 125 100 Tli Limited interlock time 0 150 0 150 0 150 Tmli Interlock time 20 20 20 Tds Data setup time (at device side) 15 10 7 Tdh Data Hold time (at device side) 5 5 5 Tack Hold time after DMACK negation 20 20 20 | Trdyz Pull up time before DDMARDY release 20 20 20 Figure 33. Ultra D M A cycle timings (Device terminating Write) 50 OEM Specifications of DTCA-2xxxx 2.5 inch H D D