9/14

XC6109

Series

■NOTES ON USE

1. Use this IC within the stated maximum ratings. Operation beyond these limits may cause degrading or permanent

damage to the device.

operation of the IC. At this time, the operation may be wrong if the input pin voltage falls below the minimum operating

voltage range. In CMOS output, for output current, drops in the input pin voltage similarly occur. Oscillation of the

circuit may occur if the drops in voltage, which caused by through current at operation of the IC, exceed the hysteresis

3. Note that a rapid and high fluctuation of the input pin voltage may cause a wrong operation.

4. When there is a possibility of which the input pin voltage falls rapidly (e.g.: 6.0V to 0V) at release operation with the

the Cd pin as the Figure 3 shown below.

5.

pull-up resistor tied to the output pin. A resistance value of the pull-up resistor can be selected with referring to the

followings. (Refer to Figure 4)

During detection, the formula is given as

characteristics table).

Vpull=3.0V, Rpull can be calculated as follows;

Therefore, pull-up resistance should be selected 18kΩ or higher.

During release, the formula is given as

electrical characteristics table)

Therefore, pull-up resistance should be selected 25kΩ or below.

Figure 3: Circuit example with the delay capacitance pin

(Cd) connected to a schottky barrier diode

(No resistor needed

for CMOS output

products)