缓冲器/驱动收发器SN74H

CD74HCT4538E CD74HCT4538M CD74HCT533E CD74HCT540M1

SN74HCT540N PDIP-20 缓冲器/驱动器/接收器/收发器 逻辑 集成芯

新MM74HC540AFL1 MM74HCT74MTCX MM74HC4051WMX R

新STB160NF3LLT4 APL5606KI-TRL SN74HCT540DWR

缓冲器/驱动器/收发器 SN74HCT540DWR SOIC-20 TI/德州 全新原装

缓冲器/驱动器/收发器 MM74HCT540MTCX TSSOP-20 onsemi(安森美)