Part Number: TUSB3410
Hello,
RD studies tusb3410 to replace MCP2221A-I/ST. TUSB3410 is a little complex than MCP2221A.(TEST1,TEST0,RTS,CTS,DTR,DSR,DCD,...)
Do you have an othe part similar to MCP2221A-I? MCP2221A-I pinout is as below.

Thansk & best regards,