參數(shù)資料
型號: MB86605PMT
元件分類: 總線控制器
英文描述: SCSI BUS CONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 41/64頁
文件大小: 275K
代理商: MB86605PMT
46
MB86605
(2) Initiator asynchronous output timing (initiator
→ target)
* : The value of S varies with the setting condition of the asynchronous set up time register (address 17h).
Note: This output timing regulations are not applicable when the data register is EMPTY in the data phase.
Parameter
Symbol
Value
Unit
Min.
Max.
ACK set Low
→ REQ set High
tAOLR
0—
ns
REQ set High
→ ACK set High
tRAOH
—60
ns
ACK set High
→ REQ set Low
tAOHR
10
ns
Data bus output defined
→ ACK set Low*
tDVLD
S tCLF – 10
ns
REQ set High
→ data bus hold time
tDIVD
2 tCLF
—ns
REQ set Low
→ ACK set Low
tRAOL
—40
ns
ACK
REQ
t RQAP
t RNAP
t AKAP
t ANAP
t RQF1
t RQF2
*: The
time
(tRACY)
of
REQ
set
High
ACK
set
Low
is
defined
by
the
longer
time
either
(tRAOH
+
tAOHR
+
tRAOL)
or (tDIVD + tDVLD).
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