Contec AO-1604LX-USB, User Manual, Page: 63 / 67

6. About Hardware
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AO-1604LX-USB
Control Signal Timings for Counter
Figures 6.7, 6.8, and Table 6.4 show the control signal timings for the analog input function.
Figure 6.7. Timing Chart of Counter Input Signal
Figure 6.8. Timing Chart of Counter Output Signal (Pulse output)
Table 6.4. Control Signal Timings
Parameter Symbol Time Unit
Set up time of counter input (Rising edge) t
SRC
100 nsec
Hold time of counter input (Rising edge) t
HRC
100 nsec
Pulse width of counter output signal t
PSC
1000 nsec
The times listed in Table 6.4 are for standard operating conditions.
Counter Up Pulse Input
t
HRC
t
SRC
Counter Compair Output
t
PSC
CAUTION