Is the bi-directional logic level converter the same as uni-directional?
Though they’re share the same shape and size, this bi-directional logic level converter shouldn’t be confused with the more “uni-directional” version. This converter can pass data from high to low and/or low to high on all channels.
How does the SparkFun bi-directional logic level converter work?
The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high…
How many channels does txb0108 bi-directional logic level converter work?
It works down to 1.8V on the low side, and up to 10V on the high side. The 10K’s do make the interface a little more sluggish than using a TXB0108 or 74LVC245 so we suggest checking those out if you need high-speed transfer.
Where can I get a bi-directional level shifting circuit?
Here are some resources related to the LLC and level-shifting in general: Philips AN97055 — An awesome application note covering bi-directional level shifting circuits. If you’re looking for a place to use the LLC, these tutorials might spark some ideas:
How does a low voltage logic level converter work?
The circuit uses an n-channel MOSFET to convert the low voltage logic level to a high voltage logic level. A simple logic level converter can also be built using resistive voltage dividers but it will introduce voltage loss. MOSFET or transistor-based logic level converters are professional, reliable, and safer to integrate.
Can a logic level converter be used with resistive dividers?
A simple logic level converter can also be built using resistive voltage dividers but it will introduce voltage loss. MOSFET or transistor-based logic level converters are professional, reliable, and safer to integrate. The circuit also uses two additional components, R1 and R2. Those are pull-up resistors.
What kind of MOSFET is used for logic level converter?
The circuit uses an n-channel MOSFET to convert the low voltage logic level to a high voltage logic level. A simple logic level converter can also be built using resistive voltage dividers but it will introduce voltage loss.
How does a bi-directional level shifting circuit work?
The circuit uses a single N-channel MOSFET and a couple pull-up resistors to realize bi-directional level shifting. The bi-directional level-shifting circuit used on all four channels of the BD-LLC. Through some semiconductor magic, this circuit can shift a low voltage signal to high and/or shift a high-voltage signal to a low voltage.
Can a BD-LCC be used as a bi-directional switch?
Although you won’t be taking advantage of the BD-LCC’s bi-directional abilities, it’s perfectly fine to use the board to shift serial communication. Serial usually requires two signal wires — RX (receive) and TX (transmit) — which both have a defined direction.