參數(shù)資料
型號： N555
廠商： Texas Instruments, Inc.
英文描述： PRECISION TIMERS
中文描述： 精密定時器
文件頁數(shù)： 12/24頁
文件大?。?/td> 356K
代理商： N555
www.ti.com
Frequency Divider
By adjusting the length of the timing cycle, the basic circuit of
Figure 9
can be made to operate as a frequency
divider.
Figure 17
shows a divide-by-three circuit that makes use of the fact that retriggering cannot occur during
the timing cycle.
V
Time 0.1 ms/div
Capacitor Voltage
Output Voltage
Input Voltage
Figure 17. Divide-by-Three Circuit Waveforms
V
CC
= 5 V
R
A
= 1250
C = 0.02
μ
F
See Figure 9
NA555, NE555, SA555, SE555
PRECISION TIMERS
SLFS022F–SEPTEMBER 1973–REVISED JUNE 2006
APPLICATION INFORMATION (continued)
12
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