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MC74HCT04AFEL，MC74LVX125DR2，MC74VHC1GU04DFT1，
MC74HCT04DR2贴片SOP14
丝印MC74HCT14ADR2-MC74HCT138ANG-MC74HCT08DR2G-MC74HCT04AFL1
贴片直插MM74HC4040N MC74HCT04AN MC33202DR2G MC14069UBCP 9
MM74HCT74MTCX(MC74HCT86 74HCU MX ADR2G ADTR2G 04DR2G
