LM324DR brand manufacturers: National Semiconductor, Twicea stock, LM324DR reference price.National Semiconductor. LM324DR parameters, LM324DR Datasheet PDF and pin diagram description download.You can use the LM324DR Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps, DSP Datesheet PDF, find LM324DR pin diagram and circuit diagram and usage method of function,LM324DR electronics tutorials.You can download from the Twicea.