EL240.128.45 Operations Manual (020-0345-00C)
10
Figure 4. 6800 Video Input Timing Diagram.
Table 6. 6800 Video Input Timing Description.
Signal Symbol
Parameter
Condition
min
max
Unit
A0, /CS,
t
CYC6
System
cycle
time
550
- ns
R//W t
AW6
Address
setup
time
0
t
AH6
Address hold time
0
-
ns
t
DS6
Data setup time
100
-
ns
CL=100 pF
D0 to D7
t
DH6
Data hold time
0
-
ns
t
OH6
Output disable time
10
50
ns
t
ACC6
Access
time
- 85
ns
E t
EW
Enable
pulsewidth
120
All signals Tr, Tf
Input rise and fall
times
30
ns