8-Bit Inverting Totem Pole Logic IC, 5V, 24mA, SOP Package
SN74ALS521NSR
8-Bit Arithmetic Logic Unit, 5V, 5.5V, 0°C to 70°C, Surface Mount SOP
ALS SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20