MB9DF565LLE datasheet(58/109 Pages) SPANSION

58 / 109 page

D at aS he e t

May 15, 2015, MB9D560_DS708-00001-3v0-E

CONFIDENTIAL

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The value of the limiting resistor should be set so that the current input to the microcontroller pin

does not exceed rated values at any time regardless of instantaneously or constantly when the + B

signal is input.

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Note that when the microcontroller drive current is low, such as in the low-power consumption

modes, the + B input potential can increase the potential at the VCC pin via a protective diode,

possibly affecting other devices.

−

Note that if the + B signal is input when the microcontroller is off (not fixed at 0V), since the power is

supplied through the pin, the microcontroller may operate incompletely.

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Note that if the +B signal is input at power-on, since the power is supplied through the pin, the

power-on reset may not function in the power supply voltage.

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Do not leave + B input pins open.

Sample Recommended Circuit

MB9D560 series

+Ｂ input(12 to 16V)

Protective diode

Limiting resistor current

*9: To use this product at TA=125°C, equip this on a multilayer board with four or more layers.

To equip this on a single-layer board, change the operating conditions (operating frequency, power

supply voltage, etc.) to use this at the power consumption PD=780mW or lower, or use this at TA=100°C

or lower.

Warning:

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Semiconductor devices may be permanently damaged by application of stress (including, without

limitation, voltage, current or temperature) in excess of absolute maximum ratings. Do not exceed

any of these ratings.

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