snippet: Buy SN75C3221EDBR TI ,Marking Code: MY221E, Learn more about SN75C3221EDBR 3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s LINE DRIVER/RECEIVER WITH ?15-kV IEC ESD PROTECTION,RS-232 Interface IC RS-232 1 Mbit/s Line Driver/Receiver, View the manufacturer, and stock, and datasheet pdf for the SN75C3221EDBR at Jotrin Electronics. (Page 1)