HD74LV139A Datasheet, PDF (5/7 Pages) Hitachi Semiconductor – Dual 2-to-4 line Decoder / Demultiplexers

HD74LV139A
Test Circuit
Measurement point
C_L^*
Note: C_L includes the probe and fig capacitance.
• Waveform
t_r
t_f
90%
90%
V_CC
Input
50% VCC
50% VCC
10%
10%
0V
t_PLH
t_PHL
In phase output
V_OH
50% VCC
50% VCC
t_PHL
V_OL
t_PLH
Out of phase output
V_OH
50% VCC
50% VCC
V_OL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 3 ns, t_f ≤ 3 ns
2. The output are measured one at a time with one transition per measurement.
Rev.1.00 Aug. 24, 2004 page 5 of 6