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): 40/64頁
文件大?。?/td> 275K
代理商: MB86605PMT
45
MB86605
8.
SCSI Interface
(1) Initiator asynchronous input timing (target
→ initiator)
* : tRACY (REQ set High
→ ACK set Low) is defined as either longer time of (tRAOH + tAOHR + tRAOL) or tRACY itself.
Note: Time requirements in this section do not apply in the following cases;
When data register FULL in data phase
When last byte transferred
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 valid
→ REQ set Low
tDTSU
10
ns
REQ set Low
→ data bus hold time
tDHLD
20
ns
REQ set Low
→ ACK set Low
tRAOL
—40
ns
REQ set High
→ ACK set Low*
tRACY
—3 tCLF + 40
ns
REQ
ACK
DB7 to 0, P
DB15 to 8, P
Valid data
t AOLR
t RAOH
t AOHR
t RAOL
t RACY*
t DVLD
t DIVD
t DVLD
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