Function : Decade and Binary Counters
Maker : National ->Texas Instruments
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 90A and divide by-eight for the 93A.
Acquired by Texas Instruments on September 23rd, 2011.
Datasheet PDF Download :
Others datasheet of same file : 7490A,7493,7493A,DM5490,DM5490J