正品CD4538BCWMCD4538BF3ACD4538BNSR¥1.30去看看元器件之家发布了正品CD4539BF3A CD4538BNSR CD4538BM96 CD4538BF3A CD4538BCWMCD4536BF3ACD4536BNSRCD4536BPWRCD4537BF3A¥1.20去看看元器件之家发布了CD4538BCMX CD4537BF3A CD4536BPWR CD4536BNSR CD4536BF3ACD74HC4538NSRCD74HC4094NSRCD4060BNSRCD4050BNSR¥10去看看品设旗舰店发布了CD4050BNSR CD4060BNSR CD74HC4094NSR CD74HC4538NSR