General Description
The MAX3346E bidirectional transceiver converts logiclevel signals to USB signals, and USB signals to logiclevel signals. The MAX3346E includes the 1.5kΩ USB pullup resistor internally, and supports both full-speed (12Mbps) and low-speed (1.5Mbps) USB operation. The device has built-in ±15kV ESD protection circuitry to guard the USB I/O pins, D+ and D-.

Features
♦ ±15kV ESD Protection on D+ and D-
♦ Internal Linear Regulator Allows Direct Powering
   from the USB Cable
♦ Internal 1.5kΩ Pullup Resistor for Low/Full-Speed
   Operation
♦ Supports Low-Speed and Full-Speed USB
   Communications
♦ Complies with USB Specification Revision 1.1 and
   2.0 (Low Speed and Full Speed)
♦ Three-State Outputs
♦ Enumerate Input—Allows USB Connection
   through Software
♦ No Power-Supply Sequencing Required
♦ Operates with VL of 1.65V to 3.6V, Ensuring
   Compatibility with Low-Voltage ASICs
♦ Available in Miniature Chip-Scale Package

Applications
   Cell Phones
   PC Peripherals
   Data Cradles
   PDAs
   MP3 Players