lCM7217 counter equivalent, 4-digit led display / programmable up/down counter.
Description
* Four Decade, Presettable Up-Down Counter with Parallel Zero Detect
* Settable Register with Contents Continuously Compared to Counter
* Direct.
where thumbwheel switches are used for loading data, and simple SPDT switches are used for chip control.
This circuit pr.
* Four Decade, Presettable Up-Down Counter with Parallel Zero Detect
* Settable Register with Contents Continuously Compared to Counter
* Directly Drives Multiplexed 7 Segment Common Anode or Common Cathode LED Displays
* On-Board Mu.
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