【Fairchild Semiconductor】74AC521SC_Q,校验器 IC 8-Bit Identity Comp
【Fairchild Semiconductor】74AC521SCX,IC COMPARATOR IDENTITY 8B 20SOIC
【Fairchild Semiconductor】74AC521SJ,IC COMPARATOR IDENTITY 8B 20SOP
【Fairchild Semiconductor】74AC521SJ_Q,校验器 IC 8-Bit Identity Comp
【Fairchild Semiconductor】74AC521SJX,IC COMPARATOR IDENTITY 8B 20SOP
【Fairchild Semiconductor】74AC540MTC,IC INVERTER 8-INPUT 20TSSOP
【Fairchild Semiconductor】74AC540MTC_Q,缓冲器和线路驱动器 Octal Buf/Line Drv