FAQ Frequently Asked Questions

Are there any points to note when raising the power supply voltage?

If the rise time and voltage are specified in the datasheet, power on this ICs according to the rise...

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Where should the Loop pin be connected when the LOOP pin is not used?

Since it is a CMOS output pin, leaving it no connect (open) is OK if LOOP is not used.

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Does this IC count clocks during I2C communication?

This IC does not count clocks during I2C communication. For details, refer to " External Clock Signa...

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What is the specification of the "Lo" hold time of the RST pin when resetting the counter?

This counter reset is performed on the falling edge of RST pin. Therefore, there is no time designat...

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What should I do when I want to reset the counter value?

The counter value can be reset by setting the RST pin to Lo.

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What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

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