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HD74LV273A Datasheet, PDF (11/15 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops with Clear
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• Waveform-1
Timing input
Data input
Input
HD74LV273A
tr
tf
90 %
90 %
VCC
50 % VCC
50 % VCC
10 %
10 %
0V
tsu
th
VCC
50 % VCC
50 % VCC
0V
tw
VCC
50 % VCC
50 % VCC
0V
tr
tf
• Waveform-2
90 %
90 %
VCC
50 % VCC
50 % VCC
Input
10 %
tPLH
10 %
tPHL
0V
In phase output
tPHL
50 % VCC
50 % VCC
tPLH
VOH
VOL
Out of phase output
VOH
50 % VCC
50 % VCC
VOL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 3 ns, tf ≤ 3 ns
2. The output is measured one at a time with one transition per measurement.
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