Avago Technologies LSI8751D - Manual (Page 287)

SCSI Timing Diagrams 7-51
7.6 SCSI Timing Diagrams
Table 7.20 through Table 7.29 and Figure 7.31 through Figure 7.35
describe the LSI53C875 SCSI timing.
Figure 7.31 Initiator Asynchronous Send
Table 7.20 Initiator Asynchronous Send
Symbol Parameter Min Max Unit
t
1
SACK/ asserted from SREQ/ asserted 5 – ns
t
2
SACK/ deasserted from SREQ/ deasserted 5 – ns
t
3
Data setup to SACK/ asserted 55 – ns
t
4
Data hold from SREQ/ deasserted 20 – ns
SREQ/
SACK/
SD[15:0]/
SDP[1:0]/
t
1
t
2
t
3
t
4
n + 1
n
Valid n Valid n + 1
n + 1