TRS3221E: RS-232 comparison

Hi Janet,

Here is the link to our device comparison tool feature. You can view as a general comparison table here: Compare products (ti.com)

For differences, you can click the "differences" tab in the upper left corner. 

The TRS3221E is the "Drop-in replacement with upgraded functionality" compared to the SN65C3221E here on the SN65C3221 page:

SN65C3221E data sheet, product information and support | TI.com

The MAX3221E webpages mentions "Same functionality with different pin-out to the compared device TRS3221E"

MAX3221E data sheet, product information and support | TI.com

Thank you, Amy

SN65Cxxx transceivers are older, supported only for legacy applications, and should not be used.

TRSxxx and MAXxxx devices are identical and have the same pinout; it does not matter which one you use. (But they might be available in different packages.)

Hi Janet,

All of these devices show an active status. If there were concerns over EOL or not recommended for new designs this would be reflected on the corresponding pages. 

Sincerely, Amy