DM74LS93 counters equivalent, decade and binary counters.
n Typical power dissipation 45 mW n Count frequency 42 MHz
Connection Diagrams (Dual-In-Line Packages)
DS006381-1
Order Number DM74LS90M or DM74LS90N See Package Number.
To use their maximum count length (decade or four bit binary), the B input is connected to the QA output. The input
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Each of these monolithic counters contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five for the ’LS90 and divide-by-eight for.
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