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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