<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body dir="auto"><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Are you quite sure they are 4024's?</div><div dir="auto"><br></div><div dir="auto">I recently had a batch of "NOS" 2114's from a certain country that were expertly painted fakes.</div><div dir="auto"><br></div><div dir="auto"><br></div><div><br></div><div align="left" dir="auto" style="font-size:100%;color:#000000"><div>-------- Original message --------</div><div>From: Roman Sowa <modular@go2.pl> </div><div>Date: 17/09/2021 08:54 (GMT+00:00) </div><div>To: synth-diy@synth-diy.org, dixon@mail.ubc.ca </div><div>Subject: Re: [sdiy] Issue with CD4024 Ripple Counter </div><div><br></div></div>Try to experiment with slew rate of input signal. Feed it with the <br>fastest edges clock pulse you can get, say 20ns rise time. And decouple <br>the supply pins of the chip generously.<br>If that does not help, tell me what crack you smoke, would love to try <br>that too.<br><br>Roman<br><br>W dniu 2021-09-17 o 05:57, David G Dixon via Synth-diy pisze:<br>> Hey SDIY Team,<br>> I've got a device that uses a 4024 ripple counter. The datasheet says <br>> that it advances on the negative transition of the clock. All mine <br>> (CD4024BE) are advancing on the positive transition of the clock. <br>> However, I tried an MC14024BCP and it worked properly.<br>> Am I smoking crack? Why are my CD4024s behaving opposite to the <br>> datasheet, but the MC14024 is behaving as per the datasheet? What is it <br>> that I don't know about these devices?<br>> Cheers,<br>> Dave Dixon<br>> <br>> _______________________________________________<br>> Synth-diy mailing list<br>> Synth-diy@synth-diy.org<br>> http://synth-diy.org/mailman/listinfo/synth-diy<br>> Selling or trading? Use marketplace@synth-diy.org<br>> <br>_______________________________________________<br>Synth-diy mailing list<br>Synth-diy@synth-diy.org<br>http://synth-diy.org/mailman/listinfo/synth-diy<br>Selling or trading? Use marketplace@synth-diy.org<br></body></html>