2.3.AC Characteristics
2.3.1.System Bus Write Characteristics 1 (80 series MPU)
VDD=3.0V±10%
Parameter
System Cycle Time
Symbol
tCYC
tAW
Min.
500
60
Max.
Units
ns
-
-
-
-
-
-
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
ns
tAH
30
ns
tDS
100
50
ns
tDH
ns
tCC
Control Pulse Width
100
ns
Note 1 : For the rise and fall of an input signal, set a value not exceeding 25ns.
Note 2 : Every timing is specified on the basis of 20%and 80%of VDD.
AH
t
A0, CS
AW
CYC
t
t
CC
t
WR
DS
t
DH
t
D0 D7
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DMC- 50747NF- AK (AK) No. 2001- 0124
OPTREX CORPORATION
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