stm
部件型号 厂商 描述

74AC299MTR

STMicroelectronics Shift Register Single 8-Bit Serial/Parallel to Serial/Parallel 20-Pin SOP T/R

74AC299TTR

STMicroelectronics Shift Register Single 8-Bit Serial/Parallel to Serial/Parallel 20-Pin TSSOP T/R
1
1-1