English
Language : 

HD74HC273_15 Datasheet, PDF (7/10 Pages) Renesas Technology Corp – Octal D-type Flip-Flops (with Clear)
◁
HD74HC273
Waveforms
• Waveform – 1
tr
tf
90 %
90 %
VCC
Data
50 %
50 %
50 %
10 %
10 %
0V
tsu
th
tsu
th
tr
tf
90 %
VCC
Clock
50 % 50 %
50 %
10 %
10 %
tw
tw
tPLH
90 %
tPHL
90 %
0V
VOH
Q
50 %
50 %
10 %
10 %
VOL
tTLH
tTHL
• Waveform – 2
Clear
Clock
Q
tf
tr
90 %
50 %
10 %
tw
tPHL
90 %
50 %
10 %
trem
90 %
tw(clock)
50 % 50 %
10 %
90 %
tf
tr tPLH
90 %
50 %
10 %
50 %
10 %
90 %
tTHL
tTLH
VCC
0V
VCC
0V
VOH
VOL
Notes : 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
REJ03D0604-0300 Rev.3.00 Mar 25, 2009
Page 5 of 7
 ▷