LM324N Datasheet(PDF) - National Semiconductor (TI)
Introduction to Lm324n - The Engineering Projects
Is my LM324N busted? The output is either high or low, Looking like a comparator. If out of ne555 is connected to IN4+, the output is high and if connected to IN4-,
LM324N Quad Op Amps - DIP
LM324N Datasheet(PDF) - ON Semiconductor
ElectronTubeStore.com
LM324N (STMicroelectronics) - LOW POWER QUAD OPERATIONAL AMPLIFIERS