Will Cypress devices work outside the temperature range specified?
The Commercial temperature rating on our datasheets guarantee an operation between 0C and 70C. The Industrial rating on our datasheets guarantee and operation between -40C and 85C. The commercial device(C) is not tested at lower temperatures and the operation at temperatures below 0C is not guaranteed. We do not recommend operation outside of the published temperature ranges, although there is a a probablity that the Cypress device could operate beyond these temperatures. We do not guarentee the performance of the device outside the range.