Part CD74HC193
Description Presettable Synchronous 4-Bit Up/Down Counters
Manufacturer Texas Instruments
Size 853.79 KB
Texas Instruments

CD74HC193 Overview

Description

The ’HC192, ’HC193 and ’HCT193 are asynchronously presettable BCD Decade and Binary Up/Down synchronous counters, respectively. Presetting the counter to the number on the preset data inputs (P0-P3) is accomplished by a LOW asynchronous parallel load input (PL).

Key Features

  • Synchronous Counting and Asynchronous Loading
  • Two Outputs for N-Bit Cascading
  • Look-Ahead Carry for High-Speed Counting
  • Fanout (Over Temperature Range)
  • Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
  • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . -55oC to 125oC
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • 2V to 6V Operation