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LM555 — Single Timer
January 2013
LM555
Single Timer
Features
•
•
•
•
•
High-Current Drive Capability: 200 mA
Adjustable Duty Cycle
Temperature Stability of 0.005%/°C
Timing From
μs
to Hours
Turn off Time Less Than 2
μs
Description
The LM555 is a highly stable controller capable of pro-
ducing accurate timing pulses. With a monostable opera-
tion, the delay is controlled by one external resistor and
one capacitor. With astable operation, the frequency and
duty cycle are accurately controlled by two external
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