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相关型号
SN74AHCT132NSRG4 SN74AHCT132PW SN74AHCT132PWR SN74AHCT132PWRE4 SN74AHCT132PWRG4 SN74AHCT138 SN74AHCT138D SN74AHCT138D . SN74AHCT138DB SN74AHCT138DBR