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參數(shù)資料
| 型號： | 933254490602 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | DUAL PULSE; RECTANGULAR, TIMER, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, SOT-27, DIP-14 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大小： | 96K |
| 代理商： | 933254490602 |
Philips Semiconductors
Product data
NE/SA556
Dual timer
2001 Aug 03
6
TYPICAL APPLICATIONS
One feature of the dual timer is that by utilizing both halves it is
possible to obtain sequential timing. By connecting the output of the
first half to the input of the second half via a 0.001
F coupling
capacitor sequential timing may be obtained. Delay t1 is determined
by the first half and t2 by the second half delay.
The first half of the timer is started by momentarily connecting Pin 6
to ground. When it is timed out (determined by 1.1R1C1) the second
half begins. Its duration is determined by 1.1R2C2.
VCC
INPUT
OUTPUT 1
OUTPUT 2
50
F
1
2
6
711
3
9
5
8
13
12
14
10
4
556
0.001
C1
C2
R2
R1
1
F
SP00358
1 M
10 k
0.01
0.001
10 k
130 k
Figure 4. Sequential Timer
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