
Waveforms – 2
Input LE
Input D
Output Q
tr
90 %
10 %
tr
10 %
90 %
Vref
tPHL
Vref
tf
90 %
Vref
10 %
tPLH
Vref
Waveforms – 3
Input LE
tr
tf
10 %
90 % 90 %
Vref
Vref
tw
tsu
10 %
th
Input D
Vref
Vref
Notes:
1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform : PRR = 10 MHz, duty cycle 50%
HD74LVC533
VIH
GND
VIH
GND
VOH
VOL
VIH
GND
VIH
GND
7