![](/html/Renesas/830026/page5.png)
HD74UH04
Test Circuit
VCC
Pulse
generator
Input
50 Ω
Output
CL
Note: Operating current test time, output is open.
Waveforms
6 ns
Input
Output
90%
50%
10%
tTHL
90%
50%
10%
tPHL
6 ns
90%
50%
10%
VCC
tTLH
90%
50%
10%
tPLH
GND
VOH
VOL
Rev.4.00, Feb.02.2004, page 5 of 6