mettula Posted February 22, 2006 Report Posted February 22, 2006 i wish to ask what is the difference between 74LS193 and CD74HCT193E - do i get the same result if one is not available in my local shoop. I think they are the same but different name due to diferent manufactur. Am i wrong ???PLZ advice ... 10ks Quote
audioguru Posted February 22, 2006 Report Posted February 22, 2006 The 74LS uses bipolar transistors. The 74HCT uses Mosfet transistors. Their families are completely different. You could look over their datasheets, or just try using the wrong IC.You can't get the transmitter's ICs, you can't get its zener diodes. Therefore I suggest buying the kit if it is still available. Quote
hotwaterwizard Posted February 23, 2006 Report Posted February 23, 2006 Look at the Datasheets and see if any of the conditions or Voltages are different than your paremiters.Compare the data and see.CD74HCT193E.pdfDM74LS193_DM54LS193.pdf Quote
mettula Posted February 23, 2006 Author Report Posted February 23, 2006 thanks very much guys, i will try and maybe everything will melt........ Quote
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