MB86606A Datasheet, PDF (49/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(4) Initiator synchronous transfer input timing (target → initiator)
Parameter
Value
Symbol
Unit
Min.
Max.
Data bus defined → REQ set Low
tDTSU
5
—
ns
REQ set Low → data bus hold time
tDHLD
15
—
ns
REQ
DB7 to 0, P
DB15 to 8, P
t DTSU
t DHLD
Data
t DTSU
t DHLD
Data
(5) Initiator synchronous transfer output timing (initiator → target)
Parameter
Symbol
Value
Min.
Max.
Data bus defined → ACK set Low*
ACK set Low → data bus hold time*
tDVAK
N•tCLF–10
—
tAKDH
A•tCLF–5
—
Unit
ns
ns
* : The values of A and N vary with the setting condition of the transfer period register (address 0Ch).
ACK
DB7 to 0, P
DB15 to 8, P
t DVAK
Valid data
t AKDH
t DVAK
Valid data
t AKDH
49