Cypress has a position letter for RoHS and REACH compliance and certifies that Pb-free products and solutions met the requirement of RoHS Directive 2002/95/EC and REACH Regulation No. 1907/2006/EC.
Cypress's position letter can be found on Packaging Information of Quality and Reliability Section. Nevertheless, you may use below link for reference.
If you are unable to retrieve the required information, please create a service request under the Quality documentation queue.