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相关型号
SN74LVC244ADGVR SN74LVC244ADGVRE4 SN74LVC244ADGVRG4 SN74LVC244ADR SN74LVC244ADW SN74LVC244ADW.. SN74LVC244ADWE4 SN74LVC244ADWG4 SN74LVC244ADWR SN74LVC244ADWR 0IC