參數(shù)資料
型號: MB86606APMT2
廠商: FUJITSU LTD
元件分類: 總線控制器
英文描述: FAST-20 SCSI Protocol Controller
中文描述: SCSI BUS CONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 51/64頁
文件大?。?/td> 605K
代理商: MB86606APMT2
51
MB86606A
(7) Target asynchronous input timing (target
initiator)
* :The value of S varies with the setting condition of the asynchronous setup time register (address 17h).
Note: The output timing regulations are not applicable when the data register is EMPTY in the data phase.
Parameter
Symbol
Value
Unit
Min.
Max.
REQ set Low
ACK set Low
ACK set Low
REQ set High
REQ set High
ACK set High
Data bus defined
REQ set Low*
ACK set Low
data bus hold time
ACK set High
REQ set Low
t
ROLA
0
ns
t
AROH
60
ns
t
ROHA
0
ns
t
DVLD
St
CLF
– 10
ns
t
DIVD
2 t
CLF
ns
t
AROL
40
ns
REQ
ACK
DB7 to 0, P
DB15 to 8, P
t
AROH
Valid data
Valid data
t
ROLA
t
ROHA
t
AROL
t
RACY*
t
DVLD
t
DIVD
t
DVLD
* :The time (t
RACY
) of ACK set High
REQ set Low is defined by the longer time either (t
AROH
+ t
ROHA
+t
AROL
)
or (t
DIVD
+ t
DVLD
).
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