ULN2064B - ULN2066B ULN2074B - ULN2076B ULN2068B - ULN2070B are Schmidt circuits with an output current of 1.5 A, a minimum working voltage of 50 V, a maximum working voltage of 35 V, integrated suppression diodes, and are compatible with 5 V logic circuits and 6-15 V CMOS and PMOS circuits.