MB86606A Datasheet, PDF (24/64 Pages) Fujitsu Component Limited. – FAST-20 SCSI Protocol Controller

MB86606A
(2) Register read timing for 80 series
Parameter
Address (A4 to A0), BHE setup time (1)
Address (A4 to A0) hold time (1)
Address (A4 to A0), BHE setup time (2)
Address (A4 to A0) hold time (2)
CS0 setup time
CS0 hold time
RD set Low → data output defined time
RD set High → data output defined time
RD pulse duration at Low
INT signal clear time
Interrupt non-hold mode
Interrupt hold mode
A4 to A0
BHE
CS0
t ARS
t ACS
Symbol
tARS
tARH
tACS
tACH
tCRS
tCRH
tRLD
tRHD
tRD
tDL
tDL2
Value
Unit
Min.
Max.
20
—
ns
10
—
ns
10
—
ns
5
—
ns
10
—
ns
5
—
ns
—
40
ns
5
—
ns
70
—
ns
—
50
ns
—
n•tCLF +50
ns
t ARH
t ACH
t CRS
t RD
t CRH
RD
D15 to 8, UDP
D7 to 0, LDP
INT
t RLD
t DL
t RHD
Valid data
INT
24
t DL2* (n is the division ratio)
*: t DL2 is defined by the rising edge of strobe signal that reads out the step code for the last interrupt source.