MB86606A Datasheet, PDF (48/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(3) Initiator synchronous transfer REQ/ACK timing
Parameter
Symbol
ACK Assertion Period*
ACK Negation Period*
REQ Assertion Period
REQ Negation Period
REQ input cycle time (1)
REQ input cycle time (2)
tAKAP
tANAP
tRQAP
tRNAP
tRQF1
tRQF2
Value
Min.
Max.
A•tCLF–4
—
N•tCLF–6
—
20
—
20
—
1 tCLF
—
3 tCLF
—
* : The values of A and N vary with the setting condition of the transfer period register (address 0Ch).
Unit
ns
ns
ns
ns
ns
ns
ACK
t AKAP
t ANAP
REQ
t RQAP
t RNAP
t RQF1
t RQF2
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