DM74LS90 DM74LS93 Decade and Binary Counters
June 1989
DM74LS90 DM74LS93 Decade and Binary Counters
General Description
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 ’LS90 and divideby-...