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: 26/64页
文件大小: 275K
代理商: MB86605PMT
32
MB86605
(3) Read timing (burst mode for 80 series)
Parameter
Symbol
Value
Unit
Min.
Max.
DREQ set High
→ DACK set Low
tDHAL
0—
ns
IORD set Low
→ DREQ set Low
tALDL
—35
ns
DREQ set Low
→ DREQ set High
tDLDH
0—
ns
DACK set Low
→ IORD set Low
tALRL
0—
ns
DMBHE, DMA0 set up time
tDARS
20
ns
IORD “L” level pulse width
tDRD
40
ns
IORD set High
→ DACK set High
tRHAH
0—
ns
DMBHE, DMA0 hold time
tDARH
20
ns
Data output defined time
tDRLD
—40
ns
Data output hold time
tDRHD
5—
ns
DACK
Valid data
DMBHE
DMA0
DREQ
DMD15 to 0
UDMDP, LDMDP
IORD
t DHAL
t ALDL
t DLDH
t RHAH
t DARH
t DRHD
t DRLD
t DRD
t DARS
t ALRL
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