MB86606A Datasheet, PDF (32/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(2) Write timing (burst mode for 80 series)
Parameter
DREQ set High → DACK set Low
IOWR set Low → DREQ set Low
DREQ set Low → DREQ set High
DACK set Low → IOWR set Low
DMBHE, DMA0 setup time
IOWR “L” level pulse width
IOWR set High → DACK set High
DMBHE, DMA0 hold time
Input data setup time
Input data hold time
Symbol
tDHAL
tALDL
tDLDH
tALWL
tDAWS
tDWR
tWHAH
tDAWH
tDDWS
tDDWH
Value
Min.
Max.
0
—
—
25
0
—
0
—
10
—
25
—
0
—
10
—
25
—
5
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DREQ
DACK
DMBHE
DMA0
IOWR
t DHAL
t ALWL
t DAWS
DMD15 to 0
UDMDP, LDMDP
t ALDL
t DLDH
t WHAH
t DWR
t DAWH
t DDWS
Data
t DDWH
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