
Switching Time Test Waveforms
(1) SM5013KD (Duty level CMOS)
• tr , tf , DUTY
Q output
0.9VDD
0.1VDD
tr
SM5013 series
0.9VDD
0.1VDD
tf
DUTY measuring
voltage (0.5VDD)
• Output duty cycle time
Q output
TW
T
DUTY measuring
voltage (0.5VDD)
DUTY= (TW/ T) 100 (%)
(2) CF5013LD (Duty level TTL)
• tr , tf , DUTY
Q output
2.4V
0.4V
tr
• Output duty cycle time
2.4V
0.4V
tf
DUTY measuring
voltage (1.4V)
Q output
TW
T
DUTY measuring
voltage (1.4V)
DUTY= (TW/ T) 100 (%)
NIPPON PRECISION CIRCUITS—9