HD74HCT620, HD74HCT623
Waveforms
HD74HCT620
• Waveform – 1
Input A or B
tr
10 %
90 %
1.3 V
tPHL
tf
90 %
1.3 V
10 %
tPLH
Output B or A
90 %
1.3 V
10 %
1.3 V
10 %
90 %
tTHL
tTLH
VCC
0V
VOH
VOL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
HD74HCT623
• Waveform – 1
Input A or B
tr
10 %
90 %
1.3 V
tPLH
tf
90 %
1.3 V
10 %
tPHL
Output B or A
1.3 V
10 %
90 %
90 %
1.3 V
10 %
tTLH
tTHL
VCC
0V
VOH
VOL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
Rev.2.00 Mar 30, 2006 page 6 of 8