SN54LS92 Datasheet, Motorola

14 21 10 16 14 21 ns tPLH tPHL tPLH tPHL tPLH tPHL tPHL CP1 Input to Q2 Output CP1 Input to Q3 Output MS Input to Q0 and Q3 Outputs MS Input to Q1 a.

The LS90, LS92, and LS93 are 4-bit ripple type Decade, Divide-By-Twelve, and Binary Counters respectively. Each device consists of four master/slave flip-flops which are internally connected to provide a divide-by-two section and a divide-by-five (LS.