MB86616 Datasheet, PDF (44/63 Pages) Fujitsu Component Limited. – IEEE1394-SCSI Tailgate

MB86616
5-18 Initiator Synchronous Transfer (ACK Output Delay Time)
Parameter
Values
Symbol Pin name
Unit
Min.
Max.
ACK output delay time (1) (Notes 1, 2) ts181
REQ,
ACK
9 tscsi
12 tscsi + 5
ns
ACK output delay time (2) (Notes 1, 3) ts182
REQ,
ACK
3 tscsi
4 tscsi + 5
ns
Note1 : The minimum time from the reception of REQ in the N-th byte to the output of ACK in the N-th byte.
Note2 : Applies to data input from the SCSI bus, with the maximum offset count set to 8 to 15.
The maximum offset count is set by bits 7 to 4 in the SCSI block transfer mode register.
Note3 : Applies in any case other than Note 2.
REQ
ACK
N−1
N−2
N−1
N
tS181, tS182
N+1
N
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