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TS8GDOM40V датащи(PDF) 33 Page - Transcend Information. Inc. |
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TS8GDOM40V датащи(HTML) 33 Page - Transcend Information. Inc. |
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33 / 52 page ![]() T T Tr rra a an n ns s sc c ce e en n nd d d 4 4 40 0 0---P P Piiin n n IIID D DE E E F F Fllla a as s sh h h M M Mo o od d du u ullle e e 1 1 12 2 28 8 8M M MB B B ~ ~ ~ 8 8 8G G GB B B Transcend Information Inc. Ver 1.7 33 Ultra DMA Data Burst Timing Requirements UDMA Mode 0 UDMA Mode 1 UDMA Mode 2 UDMA Mode 3 UDMA Mode 4 Name Min Max Min Max Min Max Min Max Min Max Measure location (See Note 2) t2CYCTYP 240 160 120 90 60 Sender tCYC 112 73 54 39 25 Note 3 t2CYC 230 153 115 86 57 Sender tDS 15.0 10.0 7.0 7.0 5.0 Recipient tDH 5.0 5.0 5.0 5.0 5.0 Recipient tDVS 70.0 48.0 31.0 20.0 6.7 Sender tDVH 6.2 6.2 6.2 6.2 6.2 Sender tCS 15.0 10.0 7.0 7.0 5.0 Device tCH 5.0 5.0 5.0 5.0 5.0 Device tCVS 70.0 48.0 31.0 20.0 6.7 Host tCVH 6.2 6.2 6.2 6.2 6.2 Host tZFS 0 0 0 0 0 Device tDZFS 70.0 48.0 31.0 20.0 6.7 Sender tFS 230 200 170 130 120 Device tLI 0 150 0 150 0 150 0 100 0 100 Note 4 tMLI 20 20 20 20 20 Host tUI 0 0 0 0 0 Host tAZ 10 10 10 10 10 Note 5 tZAH 20 20 20 20 20 Host tZAD 0 0 0 0 0 Device tENV 20 70 20 70 20 70 20 55 20 55 Host tRFS 75 70 60 60 60 Sender tRP 160 125 100 100 100 Recipient tIORDYZ 20 20 20 20 20 Device tZIORDY 0 0 0 0 0 Device tACK 20 20 20 20 20 Host tSS 50 50 50 50 50 Sender Notes: All Timings in ns (1) All timing measurement switching points (low to high and high to low) shall be taken at 1.5 V. (2) All signal transitions for a timing parameter shall be measured at the connector specified in the measurement location column. For example, in the case of tRFS, both STROBE and -DMARDY transitions are measured at the sender connector. (3) The parameter tCYC shall be measured at the recipient’s connector farthest from the sender. (4) The parameter tLI shall be measured at the connector of the sender or recipient that is responding to an incoming transition from the recipient or sender respectively. Both the incoming signal and the outgoing response shall be measured at the same connector. (5) The parameter tAZ shall be measured at the connector of the sender or recipient that is driving the bus but must release the bus to allow for a bus turnaround. (6) See Page 14 the AC Timing requirements in Ultra DMA AC Signal Requirements. |
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