MB86606A Datasheet, PDF (34/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(4) Write timing (burst mode for 68 series)
Parameter
DREQ set High → DACK set Low
DMUDS/DMLDS set Low → DREQ set Low
DREQ set Low → DREQ set High
DACK set Low → DMUDS/DMLDS set Low
R/W setup time
DMUDS/DMLDS “L” level pulse width
DMUDS/DMLDS set High → DACK set High
R/W hold time
Input data setup time
Input data hold time
Symbol
tDHAL
tALDL
tDLDH
tALDL
tDRWS
tDDS
tDHAH
tDRWH
tDDWS
tDDWH
Value
Min.
Max.
0
—
—
25
0
—
5
—
10
—
25
—
0
—
10
—
25
—
5
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DREQ
DACK
DMR/W
DMUDS/DMLDS
t DHAL
t ALDL
t DRWS
DMD15 to 0
UDMDP, LDMDP
t ALDL
t DLDH
t DHAH
t DDS
t DRWH
t DDWS
Data
t DDWH
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