BUY 74HC148 https://www.utsource.net/itm/p/908222.html
8-3 Line Priority Encoder
Description: The 74HC148 is an 8-input priority encoder featuring three enable inputs (E1, E2 and E3). The outputs provide a priority encoded representation of the inputs. Features: High speed: tPD = 10 ns (typical) at VCC = 5 V Low power dissipation: ICC = 1 μA (max) at TA = 25 °C High noise immunity: VNIH = VNIL = 28 % VCC (min) Outputs can be disabled Inputs accept voltages up to 5.5 V Complies with JEDEC standard no. 7A Applications: Priority encoding Address decoding Encoding of multiplexed data (For reference only)