贴片直插MC74HC4046AFL1 MC74HC4040AFR2 MC74HC4046ADTG 4

贴片直插MC74HC4046AFEL MC74HC4040AFR1 MC74HC4046ADR2 4

贴片直插MC74HC4040AFR1G，MC74HC4046AFELG，4

MC74HC4040AFR1【COUNTER SINGLE 12 BIT BINARY UP】