| Description | 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 (LS90), divide-by-six (LS92), or divide-by-eight (LS93) section. Each section has a separate clock input which initiates state changes of the counter on ... |
| Features |
a) HIGH CP0 CP1 CP1 MR1, MR2 MS1, MS2 Q0 Q1, Q2, Q3 Clock (Active LOW going edge) Input to ÷2 Section Clock (Active LOW going edge) Input to ÷5 Section (LS90), ÷6 Section (LS92) Clock (Active LOW going edge) Input to ÷8 Section (LS93) Master Reset (Clear) Inputs Master Set (Preset-9, LS90) Inputs Output from ÷2 Section (Notes b & c) Outputs from ÷5...
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| Datasheet |
 74LS90 Datasheet - 109.49KB |
