Part Number: SN74AVC2T45 Other Parts Discussed in Thread: SN74LVC2G17 , SN74AXC2T45 , SN74AUP2G17 Hi,
Customer designs SN74AVC2T45 as 2nd source, schematic shown below. However, we find pin 2 output has oscillation at 1.8Vcc. Another side is 3.3Vcc…
Part Number: SN74AVC2T45 Other Parts Discussed in Thread: SN74AXC2T45 , SN74AXC4T774 , TXS0102 Can it be used for bus (e.g. SPI, MDIO, rate 4-20m) level conversion?
Thank you Clemens.
Hi Jim,
You could also consider buffered level translators for the application like the sn74AXC2t45/1T45, unless the signals are bidirectional in nature.
Part Number: LSF0102 Other Parts Discussed in Thread: LSF0108 , SN74AXC2T245 , SN74AXC2T45 , SN74AUC2G34 Hi,
Can LSF0102 support SPI?
I saw datasheet and find LSF0108 can support SPI but my customer only need 2 channel.
Dylan,
Thanks for the comment. Here are some follow-up questions.
I saw other thread ( ) mentioned about SN74AXC2T45 can be used for Clock and Reset, so can I use SN74AXC2T245 for data and SN74AXC2T45 for the other two signals (Clock and reset)…
Hi Jim,
The SN74AXC2T45 is a good selection. Low level offset is indicated in the data sheet with Vol. If you are just driving another high impedance digital input, then the low level voltage will be GND.
Elsa,
FAQ on the level translation solutions. You can also consider SN74AXC1T45/ SN74AXC2T45 which can be used for 1.8 > 3.3V GPIO level translation.
It also supports up to 300Mbps push pull signal.
Thank you Clemens.
Polo,
As Clemens mentioned, AUP2G07 can be used for level translation using PU resistors. I will also make a note to get this corrected in the ds.
You could also consider using the SN74AXC2T45 as a 2 channel level translator…
Hi Shenhua,
Yes the initial output state will be unknown, but for default states you can add pull-up/pull-downs. They need to be quite large though, I'd recommend 100 kohm to not negatively impact the bus-holds. However, at this point there is no…
Hi Ryo,
It seems that the requirement is for a 2 channel level translator.
The SN74AXC2T45 can support low voltage 1.2 <>3.6V level translation and doesnt require external pullup resistors like the AUP2G07 OD device.
