12 Mbps USB 2.0 Full-Speed Transceiver with Integrated UART Bridge
The MAX3349EEBE+ is a USB 2.0 Full-Speed (12 Mbps) transceiver that integrates a UART interface, enabling a direct bridge between a USB host and a legacy serial peripheral without an external UART-to-USB controller IC. Full-duplex operation supports simultaneous transmit and receive on the UART side, matching the data flow of most microcontroller UART peripherals.
Industrial Temperature Grade and UCSP Package Constraints
The 16-bump WFBGA/CSPBGA package (2.02 x 2.02 mm UCSP) places the transceiver in a compact footprint. Receiver hysteresis is specified at 40 mV, which helps reject noise on the UART RX line in electrically noisy environments like motor-drive cabinets or switching-power-supply zones.
Active Lifecycle — No LTB Clock on This BOM Line
The part is ROHS3 compliant. For a BOM line that must stay in sustaining production for the next several years, this transceiver can be committed without a forced-migration plan — though the UCSP package is single-sourced, so a second-source audit of the board footprint is prudent if volume exceeds 10k units per year.