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相关型号
SN74LVC240PWR SN74LVC241DCUR SN74LVC244 SN74LVC244A SN74LVC244AD SN74LVC244ADB SN74LVC244ADBR SN74LVC244ADBR . SN74LVC244ADBR(LC244A) SN74LVC244ADBR/LC244A