Part HD74HC148
Description 8-to-3-line Octal Priority Encoder
Manufacturer Renesas
Size 166.54 KB
Renesas

HD74HC148 Overview

Description

HD74HC148 encodes eight data lines to three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO) is provided to allow octal expansion without the need for external circuitry.

Key Features

  • High Speed Operation: tpd (0 - 7 to A0 - A2) = 15 ns typ (CL = 50 pF)
  • High Output Current: Fanout of 10 LSTTL Loads
  • Wide Operating Voltage: VCC = 2 to 6 V
  • Low Input Current: 1 µA max
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)