TC74VCX573FT/FK TOSHIBA CMOS Digital Integrated Ci.
TC74VCX573FK - Low-Voltage Octal D-Type Latch
TC74VCX573FT/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VCX573FT, TC74VCX573FK Low-Voltage Octal D-Type Latch with 3.6 V Tolera.