![]() ![]() The important features of the 555 timer are : The NE 555 can be used for a temperature range between 0° to 70☌. The SE 555 can be used for temperature ranges between – 55☌ to 125 °. The timer IC is set up to work in either of the two modes – one-shot or monostable or as a free-running or astable multivibrator. Apart from its applications as a monostable multivibrator and astable multivibrator, a 555 timer can also be used in dc-dc converters, digital logic probes, waveform generators, analog frequency meters and tachometers, temperature measurement and control devices, voltage regulators etc. When compared to the applications of an op-amp in the same areas, the 555IC is also equally reliable and is cheap in cost. ![]() ![]() It is basically a monolithic timing circuit that produces accurate and highly stable time delays or oscillation. The 555 timer IC was introduced in the year 1970 by Signetic Corporation and gave the name SE/NE 555 timer. ![]()
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