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7490 74ls90 Ic Decade Counter
The 7490 / 74LS90 IC is a 4-bit binary decade counter with divide-by-2 and divide-by-5 counter sections. Packaged in DIP-14, it is widely used in digital clocks, frequency dividers, timers, and digital systems.
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CD4040BE Ripple-Carry Binary Counter Divider IC
The CD4040BE IC is a 12-stage ripple-carry binary counter/divider in a DIP-16 package. It provides binary division of input clock pulses, making it ideal for frequency division, timing, event counting, and digital systems.
