LSI LSI53C896, Technical Manual

Page: 331 / 370

SCSI Timing Diagrams 6-63
Table 6.43 SCSI-1 Transfers (SE 5.0 Mbytes)
Symbol Parameter Min Max Units
t
1
Send SREQ/ or SACK/ assertion pulse width 90 – ns
t
2
Send SREQ/ or SACK/ deassertion pulse width 90 – ns
t
1
Receive SREQ/ or SACK/ assertion pulse width 90 – ns
t
2
Receive SREQ/ or SACK/ deassertion pulse width 90 – ns
t
3
Send data setup to SREQ/ or SACK/ asserted 55 – ns
t
4
Send data hold from SREQ/ or SACK/ asserted 100 – ns
t
5
Receive data setup to SREQ/ or SACK/ asserted 0 – ns
t
6
Receive data hold from SREQ/ or SACK/ asserted 45 – ns
Table 6.44 SCSI-1 Transfers (Differential 4.17 Mbytes)
Symbol Parameter Min Max Units
t
1
Send SREQ/ or SACK/ assertion pulse width 96 – ns
t
2
Send SREQ/ or SACK/ deassertion pulse width 96 – ns
t
1
Receive SREQ/ or SACK/ assertion pulse width 84 – ns
t
2
Receive SREQ/ or SACK/deassertion pulse width 84 – ns
t
3
Send data setup to SREQ/ or SACK/ asserted 65 – ns
t
4
Send data hold from SREQ/ or SACK/ asserted 110 – ns
t
5
Receive data setup to SREQ/ or SACK/ asserted 0 – ns
t
6
Receive data hold from SREQ/ or SACK/ asserted 45 – ns
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