I think this might do it...http://focus.ti.com/lit/ds/symlink/txb0108.pdf
Resistor dividers work but only up to a certain data rate. For faster data rates it is recommended to use the following type of tranciever device: The type of device you're thinking of is a 74LVC245 http://focus.ti.com/lit/ds/symlink/sn74lvc245a.pdf
Quote from: dshay on Jun 26, 2011, 10:14 pmThe type of device you're thinking of is a 74LVC245 http://focus.ti.com/lit/ds/symlink/sn74lvc245a.pdfI don't necessarily agree with that. A simple two resistor divider would not be speed limited, only if there was a large capacitance associated with the load would there then be a R/C time constant to be concerned about.My take on voltage divider Vs voltage translator is mostly dependent on the input impedance of the load being driven at the reduced voltage level.Lefty
The type of device you're thinking of is a 74LVC245 http://focus.ti.com/lit/ds/symlink/sn74lvc245a.pdf
Original poster, if you want I can also link up some trancievers that do bidirectional with individual directional controls/output enables, as the one I gave you can only do one direction at a time.
Do I need something from the 74HCT family or are there any optocoupler type things that would be better ?
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