SparkFun Logic Level Converter - Bi-Directional

Small bidirectional logic-level converter that simultaneously shifts 5V signals down to 3.3V and 3.3V signals up to 5V. Suited for SPI, I2C, and UART buses between mixed-voltage devices.

Pinout

Logical pinout · physical placement not verified
SPARKFUN LOGIC LEVEL CHVLVGNDGNDHV1LV1HV2LV2HV3LV3HV4LV4
  • HV1

    HV

    Type · Power
  • GND2

    GND

    Type · Ground
  • HV13

    HV1

    Type · GPIO
  • HV24

    HV2

    Type · GPIO
  • HV35

    HV3

    Type · GPIO
  • HV46

    HV4

    Type · GPIO
  • LV7

    LV

    Type · Power
  • GND8

    GND

    Type · Ground
  • LV19

    LV1

    Type · GPIO
  • LV210

    LV2

    Type · GPIO
  • LV311

    LV3

    Type · GPIO
  • LV412

    LV4

    Type · GPIO

Level shifters

20 other options

BSS138/PCA9306 I2C shifters, TXB0104/TXS0108E auto-direction translators, 74LVC245/74AHCT125 buffers, and 12V-to-3.3V converters — matched to bus type and direction, not channel count.

View all 20

Related groups

4 groups