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贴片直插SN74LS174M，SN74LS166M，SN74LS164N，SN74LS165A，4
DIP封装SN74LS166AN集成电路
贴片直插SN74LS169M，SN74LS169B，SN74LS166A，SN74LS166N，4
74HC08AP M74LS166AP SN74LS05N 74HC161AP原
