3 scsi interface timing, Table 6.43 initiator asynchronous send, Figure6.30 initiator asynchronous send – Avago Technologies LSI53C876E User Manual

Page 287: Scsi interface timing, Initiator asynchronous send

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background image

AC Characteristics

6-55

6.4.3 SCSI Interface Timing

Table 6.43

through

Table 6.49

and

Figure 6.30

through

Figure 6.34

describe the LSI53C876 SCSI timing data.

Figure 6.30 Initiator Asynchronous Send

Table 6.43

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

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