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PCA9306 VIH,VIL, VOH, VOL datas required

Ramasamy Venkatachalapathy
Prodigy 30 points
Other Parts Discussed in Thread: PCA9306

Hi,

  We are planning to use PCA9306 in our design for level translating I2C bus from 1.8V to 3.3V. Could you provide following details which is not present in the device's datasheet

 VIH(min),VIL(max), VOH(min),, VOL(max)

  • 0
    TI__Intellectual 780 points

    Hi Ramasamy,

    The PCA9306 is actually a bi-directional switch, not a buffer device, and so it doesn't have its own VIH, VIL, VOH, VOL thresholds.  You'll need to determine these thresholds based on the master/slave devices on either side of this device as a function of the "on" resistance of the switch.  For example, if the VOL,max of the driving device is 0.4V at 4mA IOL, then the new VOL,max will be 0.4+0.004*7=0.428V.

    Best Regards,

    Jim