Avago Technologies LSI53C876E - Manual (Page 290)

6-58 Electrical Characteristics
Figure 6.34 Initiator and Target Synchronous Transfers
Table 6.47 SCSI-1 Transfers (SE, 5.0 Mbytes/s)
Symbol Parameter Min Max Unit
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
SREQ/
or SACK/
Send Data
SD[15:0]/, SDP[1:0]/
Receive Data
SD[15:0]/,
SDP[1:0]/
t
3
t
4
t
1
t
2
t
5 t
6
n n + 1
Valid n Valid n + 1
Valid n Valid n + 1