关注微信公众号查券更方便
新SN74LS166ANS SN74HCT08ADB SN74HC4040DB R
全新SN74HCT08DBR SN74HCT08APW SN74HCT08ADB SN74HCT04PWT
新SN74LVC08DCKR SN74LS125AMR1 SN74HCT574ADB R