stm
部件型号 厂商 描述

M74HC299RM13TR

STM IC UNIV SHIFT REGISTER 20SOIC

M74HC299RM13TR

STM IC UNIV SHIFT REGISTER 20SOIC

M74HC299RM13TR

STM IC UNIV SHIFT REGISTER 20SOIC

M74HC299B1R

STM IC UNIV SHIFT REGISTER 20DIP
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