MB86606A Datasheet, PDF (25/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(3) Register write timing for 80 series (for external access)
Parameter
Symbol
Address (A0), BHE setup time (1)
Address (A0) hold time (1)
Address (A0), BHE setup time (2)
Address (A0) hold time (2)
CS1 setup time
CS1 hold time
WR set Low → DMA bus output delay time
WR set High → DMA bus output undefined time
MPU data bus → DMA bus output delay time
tAWSE
tAWHE
tACSE
tACHD
tCWSE
tCWHE
tWHLD
tWHHD
tDHD
Value
Min.
Max.
20
—
10
—
10
—
5
—
10
—
5
—
—
40
5
—
—
20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
A0
BHE
CS1
WR
D15 to 8, UDP
D7 to 0, LDP
t AWSE
t ACSE
t CWSE
t WLHD
DMD15 to 8, UDMDP
DMD7 to 0, LDMDP
t AWHE
t ACHD
t CWHE
Data
t WHHD
t DHD
t DHD
Valid data
25