【STMicroelectronics】ST490ABD,缓冲器和线路驱动器 Hi-Spd Lo Pwr Trans
【STMicroelectronics】ST490ABDR,IC TXRX LOPWR HS RS485/422 8SOIC
【STMicroelectronics】ST490ABN,TXRX RS485/422 LP HI SPEED 8-DIP
【STMicroelectronics】ST490ACD,缓冲器和线路驱动器 Hi-Spd Lo Pwr Trans
【STMicroelectronics】ST490ACDR,缓冲器和线路驱动器 Hi-Spd Lo Pwr Trans
【STMicroelectronics】ST490ACN,TXRX RS485/422 LP HI SPEED 8-DIP
【STMicroelectronics】ST491ABD,总线收发器 Hi-Spd Lo Pwr Trans
【STMicroelectronics】ST491ABDR,总线收发器 Hi-Spd Lo Pwr Trans
