3-Wire Interface Full-Speed USB Transceiver With/Without Internal Series Resistors

3-Wire Interface, Full-Speed (12Mbps) USB Transceivers in Small Size UCSP Packages (1.5mm x 2mm)

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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/O ports (D+, D-). The MAX13345E also has internal series resistors, allowing these components 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. A low power mode reduces current consumption to less than 45µA. An enumerate function allow devices to logically disconnect while remaining plugged in.

The MAX13342E has controlled output impedance of 2Ω (max) on D+/D-, allowing the use of external switches to multiplex two different USB devices onto a single USB connector. The MAX13345E had 43.5Ω (max) internal resistors on D+/D- for direct connection to the USB connector.

The MAX13342E/MAX13345E are equipped with DAT and SE0 interface signals. These transceivers provide a USB detection function that monitors the presence of USB VBUS and signals the event.

These devices operate over the extended -40°C to +85°C temperature range and are available in UCSP™ 2.0mm x 1.5mm and 14-pin TDFN (3mm x 3mm) packages.

MAX13342E, MAX13345E: Typical Operating Circuit MAX13342E, MAX13345E: Typical Operating Circuit Enlarge+

Key Features

  • USB 2.0 (Full-Speed, 12Mbps)-Compliant Transceiver
  • Internal Pullup
  • VBUS Detection
  • Internal Series Resistors (MAX13345E)
  • ±15kV (HBM) ESD Protection on D+, D-, and VBUS
  • Enumeration Input Controls D+ Pullup Resistor
  • Supports 3-Wire DAT/SE0 Interface
  • +2.3V to +3.6V Interface Voltage (VL)
  • No Power-Supply Sequencing Required
  • Low USB Output Impedance (MAX13342E)


  • Cellular Telephones
  • Data Cradles
  • MP3 Players
  • PC Peripherals
  • PDAs

See parametric specs for USB Transceivers (8)

Part NumberVL
Supports USB SpeedInternal USB Pullup ResistorESD Protect.
MAX13342E 2.3 to 3.6Full-SpeedYes154.0 to 5.5
UCSP (B)/12

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX13342E.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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