TC74LCX00F/FK TOSHIBA CMOS Digital Integrated Circ.
TC74LCX00FK - Low-Voltage Quad 2-Input NAND Gate
TC74LCX00F/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74LCX00F, TC74LCX00FK Low-Voltage Quad 2-Input NAND Gate with 5-V Tolerant .