MB86606A Datasheet, PDF (52/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(8) Target synchronous transfer REQ/ACK timing
Parameter
Symbol
REQ Assertion Period*
REQ Negation Period*
ACK Assertion Period
ACK Negation Period
ACK input cycle time (1)
ACK input cycle time (2)
tRQAP
tRNAP
tAKAP
tANAP
tAKF1
tAKF2
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
REQ
ACK
t RQAP
t RNAP
t AKAP
t ANAP
t AKF1
t AKF2
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