DM74LS90N Datasheet, Fairchild Semiconductor

s Typical power dissipation 45 mW s Count frequency 42 MHz Ordering Code: Order Number Package Number Package Description DM74LS90M M14A 14-Lead Small Outline Integ.

To use their maximum count length (decade or four bit binary), the B input is connected to the QA output. The input cou.

Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the DM74LS90. All of these counters.