HD74HC4040_15 Datasheet, PDF (7/9 Pages) Renesas Technology Corp – 12-stage Binary Counter

HD74HC4040
Waveforms
• Waveform – 1
tr
tf
Clock
Q₁
10%
90% 90%
50% 50%
tw
10%
tPLH
10%
90%
50%
tTLH
50%
tPHL
90%
50%
10%
tTHL
Note : 1. Input waveform : PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
V_CC
0V
V_OH
V_OL
• Wavwform – 2
Reset
Clock
tr
tf
10%
90%
50%
90%
50%
10%
tw
trem
tPHL
90%
50%
10%
Any Q
90%
50%
10%
tTHL
Note : 1. Input waveform : PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
V_CC
0V
V_CC
0V
V_OH
V_OL
Rev.2.00 Mar 30, 2006 page 5 of 6