参数资料
型号: MB86605PMT
元件分类: 总线控制器
英文描述: SCSI BUS CONTROLLER, PQFP144
封装: PLASTIC, LQFP-144
文件页数: 21/64页
文件大小: 275K
代理商: MB86605PMT
28
MB86605
(7) Register write timing for 68 series (for external access)
Parameter
Symbol
Value
Unit
Min.
Max.
Address (A0) set up time
tAWSE
40
ns
Address (A0) hold time
tAWHE
20
ns
CS1 set up time
tCWSE
20
ns
CS1 hold time
tCWHE
10
ns
UDS/LDS set Low
→ DMA bus output delay time
tWLHD
—70
ns
UDS/LDS set High
→ DMA bus output undefined time
tWHHD
5—
ns
MPU data bus
→ DMA bus output delay time
tDHD
—40
ns
R/W set up time
tRWS
20
ns
R/W hold time
tRWH
20
ns
CS1
R/W
D15 to 8, UDP
D7 to 0, LDP
t AWSE
t AWHE
t CWHE
t CWSE
Data
t WLHD
t WHHD
UDS/LDS
t RWH
t DS
t RWS
Valid data
t DHD
DMD15 to 8, UDMDP
DMD7 to 0, LDMDP
A0
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