The HC4040 are 12-stage asynchronous binary Counters SN54HC4040 SN74HC4040 with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the Counter and resets all outputs low. The count is advanced on a high-to-low transition at the Clock (CLK) input. Applications include time-delay circuits, Counter controls, and frequency-dividing circuits. The SN54HC4040 is characterized for operation over the full military temperature range of 55C to 125C. The SN74HC4040 is characterized for operation from 40C to 85C. By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN54HC4040J Texas Instruments Asynchronous 12-Bit Binary Counters 16-CDIP -55 to 125
SN54HC4040 's PackagesSN54HC4040 's pdf datasheet

SN54HC4040 Pinout, Pinouts
SN54HC4040 pinout,Pin out
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