HEF4028BT Datasheet PDF - Philips

●DESCRIPTION

●The HEF4028B is a 4-bit BCD to 1-of-10 active HIGH decoder. A 1-2-4-8 BCD code applied to inputs A0to A3

●causes the selected output to be HIGH, the other nine will be LOW. If desired, the device may be used as a 1-of-8 decoder with enable; 3-bit octal inputs are applied to inputs A0, A1and A2selecting an output O0to O7. Input A3 then becomes an active LOW enable, forcing the selected output LOW when A3is HIGH.