HD74UH04

Rev.4.00, Feb.02.2004, page 5 of 6

Test Circuit
50ΩC
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%