[sdiy] best way to buffer digital out and convert 3V3 to 5V

julian schmidt elfenjunge at gmx.net
Wed May 29 17:52:38 CEST 2013


Am 29.05.2013 17:47, schrieb Colin f:
>   
>
>> Lets say I've got a 3V3 microcontroller and want to buffer
>> its outputs and bring them up to 5V (or more).
>> For example use a GPIO of a stm32 to generate 5V trigger
>> signals for external gear.
>> What would be the best way of doing this?
> You can use 74HCT series buffers. The 'T' means TTL compatible thresholds,
> which work nicely with 3v3 logic.
> e.g. 74HCT244 is an octal buffer/line driver.
>   
> Cheers,
> Colin f

looks promising on the first glance :)
So line driver was the name I was looking for ;)
Always hard when you know what you want but not it's name.

thanks a lot!
julian
>
>
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