74HCU04 Datasheet, PDF (5/9 Pages) NXP Semiconductors – Hex inverter

74HCU04
TYPICAL APPLICATIONS
INPUT A
OUTPUT Y
t_r
90%
50%
10%
t_PHL
90%
50%
10%
t_f
V_CC
GND
t_PLH
t_THL
t_TLH
Figure 1. Switching Waveforms
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
C_L*
*Includes all probe and jig capacitance
Figure 2. Test Circuit
V_CC
A
Y
Figure 3. Logic Detail
(1/6 of Device Shown)
R₂
1/6 HCU04A
R₁
R₂ > > R₁
C₁ < C₂
C₁
C₂
V_out
Figure 4. Crystal Oscillator
R₁
V_in
R₂
R₂ > 6R₁
1/6 HCU04A 1/6 HCU04A
V_out
Figure 6. Schmitt Trigger
1/6 HCU04A 1/6 HCU04A 1/6 HCU04A
V_out
C
R₂
R₁
Figure 5. Stable RC Oscillator
V_CC
INPUT
1 M _{1/6 HCU04A}
OUTPUT
1M
Figure 7. High Input Impedance Single−Stage
Amplifier with a 2 to 6 V Supply Range
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