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參數(shù)資料
| 型號： | HD74HC221FPEL |
| 元件分類： | 諧振器 |
| 英文描述： | HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16 |
| 封裝： | 5.50 X 10.06 MM, 1.27 MM PITCH, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 114K |
| 代理商： | HD74HC221FPEL |
HD74HC221
Rev.2.00 Jan 31, 2006 page 6 of 7
GND
V
CC
GND
V
CC
Waveform-2
Input A
Input B
Output Q
Output
Q
V
OH
V
OL
V
OH
V
OL
t
(out)
t
r
t
f
t
(L)
t
(H)
t
(H)
t
TLH
t
(L)
10 %
90 %
50 %
10 %
10 %
90 %
50 %
90 %
50 %
90 %
50 %
50 %
10 %
t
r
t
f
t
r
90 %
50 %
10 %
90 %
t
f
50 %
50 %
10 %
50 %
50 %
10 %
t
THL
10 %
90 %
10 %
90 %
90 %
90 %
t
THL
t
TLH
Notes : 1. Input pulse : PRR
≤
1 MHz, Zo = 50
, t
r
≤
6 ns, t
f
≤
6 ns
2. The output are measured one at a time with one transition per measurement.
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