54HC148 Datasheet (National Semiconductor)

54HC148, 8-3 Line Priority Encoder

This priority encoder utilizes advanced silicon-gate CMOS technology It has the high noise immunity and low power consumption typical of CMOS circuits as well as the speeds and output drive similar to LB-TTL This priority encoder accepts 8 input request lines 0 * 7 and outputs 3 lines A0 <

54HC148 Features

* Y Typical propagation delay 13 ns Y Wide supply voltage range 2V

* 6V Connection Diagram Dual-In-Line Package Truth Table Order Number MM54HC148 or MM74HC148 TL F 9390

* 1 Inputs Outputs EI 0 1 2 3 4 5 6 7 A2 A1 A0 GS EO HXXXXXXXX H H H H H L HHHHHHHH H H H H L L XXXXXXXL L