HD74HC91 データシートの表示（PDF） - Renesas Electronics
部品番号
コンポーネント説明
メーカー
HD74HC91 Datasheet PDF : 6 Pages
| |||
HD74HC91
Test Circuit
VCC
Input
Pulse generator
Zout = 50 Ω
Input
Pulse generator
Zout = 50 Ω
VCC
Clock
A
B
Output
QH
Output
CL = 50 pF
QH
CL = 50 pF
Note: CL includes the probe and jig capacitance.
Waveforms
• Waveform − 1
tr
tf
Clock
90 %
tw (L)
VCC
50 % 50 %
50 %
10 %
tw (H)
10 %
0V
A or B
50 %
10 %
tsu (H)
90 %
th (H)
90 %
tsu (L)
50 %
10 %
th (L)
VCC
50 %
0V
tr
tTLH
tf
tTHL
90 %
90 %
VOH
QH
50 %
50 %
10 %
tPLH
tPHL
10 %
VOL
tPHL
tPLH
90 %
90 %
VOH
QH
50 %
50 %
10 %
10 %
VOL
tTHL
tTLH
Note: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
Rev.2.00, Oct 06, 2005 page 4 of 5
Share Link: 