CF5011 Datasheet, PDF (6/7 Pages) Nippon Precision Circuits Inc – 1.8V Crystal Oscillator Module ICs

CF5011 series
Switching Time Measurement Waveform
T_r , T_f , Duty
Q output
0.8VDD
0.2VDD
TW
tr
Output duty cycle
0.8VDD
0.2VDD
DUTY measurement
voltage (0.5V DD)
tf
Q output
TW
T
DUTY measurement
voltage (0.5VDD)
DUTY= TW/ T 100 (%)
Output Enable/Disable Delay
The following figure shows the oscillator timing during normal operation (CF5011AN× only).
In case of CF5011AL×, the oscillator stops when the device is in standby. When standby is released, the oscil-
lator starts and stable oscillator output occurs after a short delay.
INHN
Q output
VIL
tPLZ
VIH
tPZL
INHN input waveform tr = tf 10ns
NIPPON PRECISION CIRCUITS INC.—6