LSI 53C875A Manual De Usuario
6-52
Electrical Specifications
6.5 SCSI Timing Diagrams
The tables and diagrams in this section describe the LSI53C875A SCSI
timings.
timings.
Figure 6.33 Initiator Asynchronous Send
Table 6.37
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
0
–
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