KK74ACT192 Overview
KK74ACT192 Presettable BCD/Decade UP/DOWN Counter High-Speed Silicon-Gate CMOS The KK74ACT192 is identical in pinout to the LS/ALS192, HC/HCT192. The KK74ACT192 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.