HD74LV221ARPEL 查看數據表（PDF） - Renesas Electronics
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HD74LV221ARPEL Datasheet PDF : 14 Pages
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HD74LV221A
• Waveform − 2
tr
tf
tr
Input A
Input B
10%
90% 90%
50%
50%
10%
tw (H)
tf
tr
tw (L)
90%
50%
10%
tf
90%
50%
10% 10%
tw (L)
90% 90%
50%
50%
tw (H)
10%
Output Q
Output Q
50% VCC
50% VCC
50% VCC
tw (out)
50% VCC
VCC
GND
VCC
GND
VOH
VOL
VOH
VOL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t r ≤ 3 ns, t f ≤ 3 ns
2. The output are measured one at a time with one transition per measurement.
Application Data
10000.0
Vcc = 2.5 V
1000.0
100.0
10.0
1.0
0.1
10 2
Rext
1 kΩ
10 kΩ
100 kΩ
1 MΩ
10 3
10 4
10 5
10 6
10 7
Timing capacitance Cext (pF)
Rev.6.00 Jun. 23, 2004 page 9 of 13
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