±15kV ESD-Protected, 1µA, 16Mbps, Dual/Quad Low-Voltage Level Translators in UCSP

Industry's Smallest Level Translator

Please check latest availability status for a specific part variant.


The MAX3372E–MAX3379E and MAX3390E–MAX3393E ±15kV ESD-protected level translators provide the level shifting necessary to allow data transfer in a multivoltage system. Externally applied voltages, VCC and VL, set the logic levels on either side of the device. A low-voltage logic signal present on the VL side of the device appears as a high-voltage logic signal on the VCC side of the device, and vice-versa. The MAX3374E/MAX3375E/MAX3376E/MAX3379E and MAX3390E–MAX3393E unidirectional level translators level shift data in one direction (VL → VCC or VCC → VL) on any single data line. The MAX3372E/MAX3373E and MAX3377E/MAX3378E bidirectional level translators utilize a transmission-gate-based design (Figure 2 in the full data sheet) to allow data translation in either direction (VL ⇔ VCC) on any single data line. The MAX3372E–MAX3379E and MAX3390E–MAX3393E accept VL from +1.2V to +5.5V and VCC from +1.65V to +5.5V, making them ideal for data transfer between low-voltage ASICs/PLDs and higher voltage systems.

All devices in the MAX3372E–MAX3379E, MAX3390E–MAX3393E family feature a three-state output mode that reduces supply current to less than 1µA, thermal shortcircuit protection, and ±15kV ESD protection on the VCC side for greater protection in applications that route signals externally. The MAX3372E/MAX3377E operate at a guaranteed data rate of 230kbps. Slew-rate limiting reduces EMI emissions in all 230kbps devices. The MAX3373E–MAX3376E/MAX3378E/MAX3379E and MAX3390E–MAX3393E operate at a guaranteed data rate of 8Mbps over the entire specified operating voltage range. Within specific voltage domains, higher data rates are possible. (See the Timing Characteristics table in the full data sheet.)

The MAX3372E–MAX3376E are dual level shifters available in 3 x 3 UCSP, 8-pin TDFN, and 8-pin SOT23 packages. The MAX3377E/MAX3378E/MAX3379E and MAX3390E–MAX3393E are quad level shifters available in 3 x 4 UCSP, 14-pin TDFN, and 14-pin TSSOP packages.
MAX3372E, MAX3373E, MAX3374E, MAX3375E, MAX3376E, MAX3377E, MAX3378E, MAX3379E, MAX3390E, MAX3391E, MAX3392E, MAX3393E: Typical Operating Circuit MAX3372E, MAX3373E, MAX3374E, MAX3375E, MAX3376E, MAX3377E, MAX3378E, MAX3379E, MAX3390E, MAX3391E, MAX3392E, MAX3393E: Typical Operating Circuit Enlarge+

Key Features

  • Guaranteed Data Rate Options
    • 230kbps
    • 8Mbps (+1.2V ≤ VL ≤ VCC ≤ +5.5V)
    • 10Mbps (+1.2V ≤ VL ≤ VCC ≤ +3.3V)
    • 16Mbps (+1.8V ≤ VL ≤ VCC ≤ +2.5V and +2.5V ≤ VL = VCC ≤ +3.3V)
  • Bidirectional Level Translation (MAX3372E/MAX3373E and MAX3377E/MAX3378E)
  • Operation Down to +1.2V on VL
  • ±15kV ESD Protection on I/O VCC Lines
  • Ultra-Low 1µA Supply Current in Three-State Output Mode
  • Low-Quiescent Current (130µA typ)
  • UCSP, TDFN, SOT23, and TSSOP Packages
  • Thermal Short-Circuit Protection


  • Cell Phones
  • Cell-Phone Cradles
  • GPS
  • Low-Cost Serial Interfaces
  • Low-Voltage ASIC Level Translation
  • Portable Communication Devices
  • Portable POS Systems
  • Smart Card Readers
  • SPI, MICROWIRE®, and I²C Level Translation
  • Telecommunications Equipment
Part NumberLevel Transl.VL
Data Rate
I/O VCC StateI/O VL StateICC
ICC (Shutdown)
IL (Shutdown)
maxShutdn.Shutdn.maxmaxmaxmaxSee Notes
MAX3372E 21.2 to 5.51.65 to 5.50.23High ImpedanceHigh Impedance30010011
UCSP (B)/9
$1.80 @1k
MAX3373E 216
UCSP (B)/9
$1.43 @1k
MAX3374E 216
$1.30 @1k
MAX3375E 216
$1.30 @1k
MAX3377E 40.23
UCSP (B)/12
$1.64 @1k
MAX3378E 416
UCSP (B)/12
$1.80 @1k
MAX3379E 416
UCSP (B)/12
$1.86 @1k
MAX3390E 416
UCSP (B)/12
$1.64 @1k
MAX3391E 416
UCSP (B)/12
$1.64 @1k
MAX3392E 416
UCSP (B)/12
$1.65 @1k
MAX3393E 416
UCSP (B)/12
$1.99 @1k
See All Logic Level Translators (39)
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.

Technical Documents

App Note 1159 Level Translators For SPI™ and I²C Bus Signals

Quality and Environmental Data

Product Reliability Reports: MAX3373E.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • MAX3373E IBIS Model
  • CAD Symbols and Footprints

  • MAX3373EEBL+
  • MAX3373EEBL+T
  • MAX3373EEBL-T
  • MAX3373EEKA
  • MAX3373EEKA+
  • MAX3373EEKA+T
  • MAX3373EEKA-T
  • MAX3373EEKA-TG077
  • MAX3373EEKA/V+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    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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