MB90351ASPMC1 datasheet(49/83 Pages) CYPRESS

49 / 83 page

Document Number: 002-07872 Rev. *A

Page 49 of 83

MB90350 Series

(Continued)

*1: This parameter is based on VSS  AVSS  0 V

*2: Set AVCC and VCC to the same voltage. Make sure that AVCC does not exceed VCC and that the voltage at the analog inputs

does not exceed AVCC when the power is switched on.

*3: VI and VO should not exceed VCC  0.3 V. VI should not exceed the specified ratings. However if the maximum current to/from

an input is limited by some means with external components, the ICLAMP rating supersedes the VI rating.

*4: Applicable to pins: P00 to P07, P10 to P17, P20 to P25, P30 to P37, P40 to P45, P50 to P56, P60 to P67

*5: • Applicable to pins: P00 to P07, P10 to P17, P20 to P25, P30 to P37, P40 to P45,

P50 to P56 (for evaluation device : P50 to P55) , P60 to P67

• Use within recommended operating conditions.

• Use at DC voltage (current)

•The

B signal should always be applied a limiting resistance placed between the B signal and the microcontroller.

• The value of the limiting resistance should be set so that when the

B signal is applied the input current to the microcontroller

pin does not exceed rated values, either instantaneously or for prolonged periods.

• Note that when the microcontroller drive current is low, such as in the power saving modes, the

B input potential may pass

through the protective diode and increase the potential at the VCC pin, and this may affect other devices.

• Note that if a

B signal is input when the microcontroller power supply is off (not fixed at 0 V) , the power supply is provided

from the pins, so that incomplete operation may result.

• Note that if the

B input is applied during power-on, the power supply is provided from the pins and the resulting power supply

voltage may not be sufficient to operate the power-on reset.

• Care must be taken not to leave the

B input pin open.

• Sample recommended circuits:

*6 : If used exceeding TA  105 °C, be sure to contact sales for reliability limitations.

WARNING:

Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in

excess of absolute maximum ratings. Do not exceed these ratings.

P-ch

N-ch

VCC

■ Input/output equivalent circuits

B input (0 V to 16 V)

Limiting

resistance

Protective diode

MB90351ASPMC1 Datasheet(PDF) 49 Page - Cypress Semiconductor

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