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What is the difference between IC 555 and IC NE 555? - Quora
Making The World's Fastest 555 Timer, Or Using A Modern IC Version | Hackaday
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Astable Multivibrator using 555 Timer | Circuit, Duty Cycle, Applications - ElectronicsHub
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555 timer design consumes zero current in quiescent mode - EDN Asia
555 Lab - Oscillator With Hysteresis | 555 Timer Circuit Projects | Electronics Textbook
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Add one resistor to give bipolar LM555 oscillator a 50:50 duty cycle - EDN
Motorola - MC1455P1 - IC, timer. Direct replacement for 555. - IC, timer. Direct replacement for 555.
Using the 555 Timer IC in Special or Unusual Circuits | Nuts & Volts Magazine
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Alternate switching LED circuit using IC 555 - Gadgetronicx
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RLD-based astable 555 timer circuit - EDN
555 Timer as an Astable and Monostable Multi-Vibrator with circuit diagram
555 monostable mode revisited | Hackaday.io
Schmitt trigger provides alternative to 555 timer - EDN
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