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你好我这边有两个TCA9546APWR芯片，丝印信息分别为“PW546A 9AK G4 A6CR”和“PW546A 92K G4 A42W”，请问下这些信息（除了PW546A、G4）都是什么意思？如果可以的话，能否告知下这些编码的规则？
