FAIRCHILD SEMICONDUCTOR - 74ACT74PC FAIRCHILD SEMICONDUCTOR - 74F139SC_ FAIRCHILD SEMICONDUCTOR - 74LCX16244MTD_ FAIRCHILD SEMICONDUCTOR - KSP6521 FAIRCHILD SEMICONDUCTOR - MM74HC174N FAIRCHILD SEMICONDUCTOR - MM74HC7266N FAIRCHILD SEMICONDUCTOR - MMBD1703 FAIRCHILD SEMICONDUCTOR - PN4392 FAIRCHILD SEMICONDUCTOR-1N5232B FAIRCHILD SEMICONDUCTOR-1N5402