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Timeline for MCP23017 in series

Current License: CC BY-SA 3.0

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Dec 14, 2013 at 1:55 vote accept Rex Fender Baird
Dec 13, 2013 at 22:03 comment added Passerby @RexFenderBaird Less than ideal. You could try it. See i.sstatic.net/fnI46.png The bottom one is the SCL line. You would just double it. It won't support clock stretching, and might not work. A i2c switch is better.
Dec 13, 2013 at 21:47 comment added Rex Fender Baird what about using a transistor to disconnect the clock of one set of ic's and control the other set?
Dec 12, 2013 at 20:15 history answered Passerby CC BY-SA 3.0