MC74VHC139_11 Datasheet, PDF (5/8 Pages) ON Semiconductor – Dual 2-to-4 Decoder/ Demultiplexer

MC74VHC139
SWITCHING WAVEFORMS
A
t_PLH
Y
50%
50% V_CC
V_CC
GND
t_PHL
Figure 6.
E
50%
Y
t_PHL
50% V_CC
Figure 7.
V_CC
GND
t_PLH
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
C_L*
*Includes all probe and jig capacitance
Figure 8. Test Circuit
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