Hi,
I'm currently working on a design where I need to connect a 5V TTL interface to the 3.3V output of a FPGA. Because of it's small size I'm looking into using the LSF0108.
My Interface has to work bi-directional at a frequency of a few MHz (up to about 10). Since board area is strictly limited and as the 5V side is TTL (I only need 2.4V as logic high) I'm thinking about not using any pull-up resistors at all.
Am I correct in the understanding that the output side of the LSF follows the input side up to about Va?
I'd like to know if the following assumptions are correct.
Vb on Bn -> ~Va on An (This is allowed without any pull-up resistors according to your datasheet)
Va on An -> ~Va on Bn (I couldn't find any information on this. Usage as if it was something like a CB3T)
With Vb = 5V and Va = 3.3V
Thanks
Luis