NTE74LS90 counter equivalent, decade counter.
D Typical Power Dissipation: 145mW
Absolute Maximum Ratings: (TA = 0° to +70°C unless otherwise specified) Supply Voltage (Note 1) . . . . . . . . . . . . . . . . . . ..
To use the maximum count length (decade or four−bit binary), the B input is connected to the QA output. The input count.
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