HD74HC137 Datasheet, PDF (7/10 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer with Address Latch

HD74HC137
• Waveform – 4
6ns
6ns
GL
Output Y
90%
50%
10%
10%
tW
tPLH
10%
90%
50%
90%
50%
tTLH
50%
tPHL
90%
50%
10%
tTHL
V_CC
0V
VOH
VOL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
• Waveform – 5
tW
Input
A,B,C
50%
50%
tsu
th
V_CC
0V
GL
50%
V_CC
0V
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
Rev.2.00, Oct 11, 2005 page 7 of 9