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M74HC164M1R M74HC164B1R M74HC163B1R M74HC161M1R M74HC161B1R
贴片直插MC74HC14DR2 M74HC138M1R TC74HC32AFN M74HC164M1R 9
M74HC166M1R M74HC165TTR M74HC165M1R M74HC165B1R M74HC164TTR
M74HC164B1 M74HC32M1R SH74HC138N TC74HC32FN TL431CDBZR 9
