Datasheet

5. The sum of all I
OH
, for ports F0 - F7, should not exceed 100mA.
If I
OH
exceeds the test condition, V
OH
may exceed the related specification. Pins are not
guaranteed to source current greater than the listed test condition.
5. Minimum V
CC
for Power-down is 2.5V.
Atmel ATmega64A [DATASHEET]
Atmel-8160E-ATmega64A_Datasheet_Complete-09/2015
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