MB86615
(6) 80-Series Register Read Operation (multiplexed)
Parameter
Address setup time
Address hold time
CS setup time
CS hold time
ALE “H” level pulse width
ALE fall to RD fall time
RD “L” level pulse width
Data output definition time
Data output disabled time
RD rise to ALE rise time
Symbol
tARSM
tARAHM
tCRSM
tCRHM
tALE
tDRD
tRDM
tRLDM
tRHDM
tLRD
Value
Unit
Min.
Max.
10
—
ns
10
—
ns
20
—
ns
10
—
ns
15
—
ns
15
—
ns
40
—
ns
—
40
ns
5
—
ns
20
—
ns
CS
ALE
RD
D15 to D6, D0
AD5 to AD1
tCRSM
tALE
tDRD
tARSM
Address
tARAHM
tCRHM
tLRD
tRDM
tRLDM
tRHDM
Defined data
24