Mindeo FS390, User Manual

Page: 23 / 127

15
4 Notes of timing
4-1 Timing characteristics
Table 4-1 Timing characteristics
Symbol Parameter Conditions Min. Typ. Max. Unit
General characteristics
t
r
Low to high rise time C
L
=50pf 1.0 us
t
f
High to low fall time C
L
=50pf 1.0 us
Trigger timing
t
trig_1
Trigger low level hold time 20 ms
t
trig_h
Trigger high level hold time 20 ms
t
dbt
Trigger de-bounce time 1.1 ms
Wake up timing
t
idle2fo
Idle to Operation 1 ms
t
stb2fo
Standby to Operation 7 ms
4-2 Timing waveforms
t
r
t
f
Figure 4-1 General characteristics
t
dbt
Figure 4-2 Trigger de-bounce timing
t
trig_l
t
trig_h
Figure 4-3 Hardware trigger timing