stm
部件型号 厂商 描述

74VHC139TTR

STMicroelectronics Decoder/Demultiplexer Dual 2-to-4 16-Pin TSSOP T/R

74VHC139MTR

STMicroelectronics Decoder/Demultiplexer Dual 2-to-4 16-Pin SOP T/R

74VHC257MTR

STMicroelectronics IC MUX QUAD 2CHAN 3-STATE 16SOIC
1
1-1