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參數(shù)資料
| 型號(hào)： | LM555H-MLS/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | PULSE; RECTANGULAR, TIMER, MBCY8 |
| 封裝： | TO-5, 8 PIN |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 443K |
| 代理商： | LM555H-MLS/NOPB |
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LM555
Timer
General Description
The LM555 is a highly stable device for generating accurate
time delays or oscillation. Additional terminals are provided
for triggering or resetting if desired. In the time delay mode of
operation, the time is precisely controlled by one external re-
sistor and capacitor. For astable operation as an oscillator,
the free running frequency and duty cycle are accurately
controlled with two external resistors and one capacitor. The
circuit may be triggered and reset on falling waveforms, and
the output circuit can source or sink up to 200mA or drive
TTL circuits.
Features
n
Direct replacement for SE555/NE555
n
Timing from microseconds through hours
n
Operates in both astable and monostable modes
n
Adjustable duty cycle
n
Output can source or sink 200 mA
n
Output and supply TTL compatible
n
Temperature stability better than 0.005% per C
n
Normally on and normally off output
n
Available in 8-pin MSOP package
Applications
n
Precision timing
n
Pulse generation
n
Sequential timing
n
Time delay generation
n
Pulse width modulation
n
Pulse position modulation
n
Linear ramp generator
Schematic Diagram
DS007851-1
February 2000
LM555
T
imer
2000 National Semiconductor Corporation
DS007851
www.national.com
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| LM555IM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LM555IN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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