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The NTE74LS196 is a high−speed monolithic decade counter in a 14−lead plastic DIP-type package consisting of four DC coupled, master−slave flip−flops which are internally interconnected to provide a divide−by−two and a divide−by−five counter. This device is fully programmable; that is, the outputs may be preset to any state by placing a low on the count/load input and entering the desired data at the data inputs. The outputs will change to agree with the data inputs independent of the state of the clocks. During the count operation, transfer of information to the outputs occurs on the negative−going edge of the clock pulse. The NTE74LS196 features a direct clear which when taken low sets all outputs low regardless of the state of the clocks. The NTE74LS196 may also be used as a 4−bit latch by using the count/load input as the strobe and entering data at the data inputs. The outputs will directly follow the data inputs when the count/load is low, but will remain unchanged when the count/load is high and the clock inputs are inactive. All inputs are diode−clamped to minimize transmission−line effects and simplify design and are compatible with most TTL logic families.
Output QA maintains full fan−out capability in addition to driving clock−2 input
Absolute Maximum Ratings: (Note 1)
Supply voltage VCC: 7V
DC input voltage VIN: 7V
Interemitter voltage (Note 2): 5.5V
Power dissipation: 80mW
Operating temperature range TA: 0°C to +70°C
Storage temperature range Tstg: −65°C to +150°C
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