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Old 19th December 2019
  #2
Depends what the pins that you shroted out were connected to. Some chips have pins that aren't used at all and if the supply voltage pin wasn't involved it may be ok. Power it up and see what happens. If you've already damaged it you're not risking it any further and if the short was momentary you might have got away with it although the danger is that the damage could be so microscopic that it works ok for a while but dies in future - no way of knowing until it dies unfortunately unless you have an electron microscope.