DescriptionManufacturer TICategory Counter /Divider Part No. SN74LV393ADBRPackage SSOP-14-5.2mmLogic Type Binary Counter 方向上Elements 2Bits Per Element 4Reset Asynchronous 定Hour -Count Rate 70 MHzFlip-Flop Type 负Edge Voltage - Supply 2 V ~ 5.5 VOperating Temperature -40°C ~ 85°C