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19-0621; Rev 0; 10/06
3-Wire Interface Full-Speed USB Transceivers With/Without Internal Series Resistors
General Description
The MAX13342E/MAX13345E USB-compliant transceivers are designed to minimize the area and external components required to interface low-voltage ASICs to USB. The devices comply with USB 2.0 specification for full-speed-only (12Mbps) operation. The transceivers include an internal 3.3V regulator, an internal 1.5kΩ D+ pullup resistor, and built-in ±15kV ESD protection circuitry to protect the USB I/0 ports (D+,D-). The MAX13345E also has internal series resistors, allowing it to be wired directly to a USB connector. These devices operate with logic-supply voltages as low as +2.3V, ensuring compatibility with low-voltage ASICs.