KK74ACT193 Overview
KK74ACT193 Presettable 4-Bit Binary UP/DOWN Counter High-Speed Silicon-Gate CMOS The KK74ACT193 is identical in pinout to the LS/ALS192, HC/HCT192. The KK74ACT193 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. The counter has two separate clock inputs, a Count Up Clock and Count Down Clock inputs.