TC74HC40102AF counter equivalent, dual bcd programmable down counter.
* High speed: fmax 40 MHz (typ.) at VCC = 5 V
* Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
* High noise immunity: VNIH = VNIL = 28% VCC (min)
* .
Count Inhibit
Count is inhibited regardless of other inputs.
Regular Count Down count on the rising edge of CK
Synchronous Preset Input data is preset on the rising edge of CK
Asynchronous Preset Input data is asynchronously preset to CK
Clear
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