MM54HC160 - National Semiconductor

MM54HC160 Synchronous Binary Counter

The MM54HC160 MM74HC160 MM54HC161 MM74HC161 MM54HC162 MM74HC162 and MM54HC163 MM74HC163 synchronous presettable counters utilize advanced silicon-gate CMOS technology and internal look-ahead carry logic for use in high speed counting applications They offer the high noise immunity and low power consumption inherent to CMOS with speeds similar to low power Sc.

Features

Y Y Y Y Y Typical operating frequency 40 MHz Typical propagation delay clock to Q 18 ns Low quiescent current 80 mA maximum (74HC Series) Low input current 1 mA maximum Wide power supply range 2
  – 6V http://www.DataSheet4U.net/ Connection Diagram Truth Tables ’HC160 HC161 CLK X X X X CLR L H H H H H ENP X H L L X H ENT X L H L X H Load X H H H L H Function Clear Count RC disabled Count disabled Count RC disabled Load Increment Counter u u H e high level L e low level e low to high transition X e don’t care u ’HC162 HC163 CLK CLR L H H H H H ENP X H L L X H ENT X L H L X H Load X H H H L.