Re: [CAD_CAM_EDM_DRO] Re: TTL to HTL signal conversion

On Friday 06 February 2004 02:37 am, Lars Levin wrote:

> Hi Group!
>
> Thanks for all your input on TTL-HTL conversion.
>
> Do you have any ideas when going the other way, 24v to 5v?

Easy. Use 4049 or 4050 (for inverting or non-inverting) CMOS chips. They're
designed to take as much as 15V power supplies, so put a resistive divider
at each 24V input, giving you a 12V logic swing, and run them off a 5V
supply, which will give you a 5V output swing.