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  • RE: Part Suggestion for 10Mhz to 1kHz divider

    I was looking at using two CD74HCT390 hooked together. The first one will be chained to create a divide by 100 using BCD option, and then fed ingot he second CD74HCT390 to ultimately create a divide by 10k. What is the advantage of this versus using the…

  • UAF42 Supply Voltages

    Other Parts Discussed in Thread: UAF42 , CD74HCT390 I have a square wave circuit based on a 555, (2) CD4017, a CD4013 which in turn feeds the square wave to the UAF42. Is it a requirement that the V+ and V- for the UAF42 be separate from the other IC…

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