HD74HC190 Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Lista de partido
HD74HC190
Renesas Electronics
HD74HC190 Datasheet PDF : 13 Pages
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HD74HC190, HD74HC191
• Waveform – 4
Load
Data
(A to D)
Down / Up
tf
tr
Clock
Q
90%
10%
90%
50%
tPLH
50%
10%
90%
50%
tPHL
90%
50%
10%
tTLH
tTHL
Notes : 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. Enable = GND
VCC
0V
VCC
0V
VCC
0V
VCC
0V
VOH
VOL
• Waveform – 5
VCC
Load
0V
VCC
Data
0V
(A to D)
VCC
0V
VCC
Down / Up
0V
Clock
50 %
50 %
VCC
50 %
50 %
tPLH
tPHL
tPLH
tPHL
0V
Max / Min
50 %
10 %
90 % 90 %
50 %
10 %
tTLH
tTHL
50 %
10 %
90 % 90 %
50 %
10 %
VOH
VOL
tTLH
tTHL
Notes : 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. Enable = GND
Rev.3.00, Jan 31, 2006 page 10 of 12
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