Replace IC Skills To Make PCB Circuit Design More Perfect In PCB circuit design, replacing ICs is a common necessity. The article discusses direct and indirect replacement methods. Direct replacement requires the new IC to have the same function, performance, and packaging as the original. Indirect replacement involves modifying the peripheral circuit to accommodate ICs with different packages or pin functions. The article also covers combination substitution and replacing ICs with discrete components. During replacement, attention must be paid to matching parameters like power supply voltage and quiescent current to ensure circuit performance remains unaffected.
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