MCM Electronics

4-Channel I2C-Safe Bi-Directional Logic Level ConverterMCM Part #: 83-15702  |  Adafruit Industries Part #: 757

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The Arduino and Basic Stamp Microcontrollers are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V.

Product Description

This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note.


This breakout has 4 BSS138 FETs with 10K pullups. It works down to 1.8V on the low side, and up to 10V on the high side. The 10K's do make the interface a little more sluggish than using a TXB0108 or 74LVC245 so we suggest checking those out if you need high-speed transfer.


While we designed it for use with I2C, this works great for SPI, TTL Serial, and any other digital interface both uni-directional and bidirectional. Comes with a fully assembled, and tested PCB with 4 full bidirectional converter lines as well as 2 pieces of 6-pin header you can solder on to plug into a breadboard or perfboard.


Features:
  • Supplied in kit form
  • Some soldering required

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Package Specifications & Dimensions
Weight:0.25 lbs.
Hazardous:No
RoHS Comp:Yes
Warranty:30 days
Need to Return?
Length:4 in.
Width:2.5 in.
Height:0.25 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:
PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Adafruit Industries Logo
Mfr. Name:Adafruit Industries
Mfr. Part Number:757