HD74UH04
Rev.4.00, Feb.02.2004, page 5 of 6
Test Circuit
50Ω
C
L
Input
Output
V
CC
Pulse
generator
Note: Operating current test time, output is open.
Waveforms
Input
Output
90%
50%
10%
t
THL
t
TLH
90%
50%
10%
t
PHL
t
PLH
V
CC
GN
D
V
OH
V
OL
6 ns 6 ns
90%
50%
10%
90%
50%
10%