https://devzone.nordicsemi.com/f/nordic-q-a/2932/nrf51422-flash-data-retentionnRf51422 flash data retention is 10 years at 40°C. We need for our application (motor control roller shutter) 20 years. What can you do to increase this value?en-USTelligent Community 13Mon, 30 Jun 2014 10:00:26 GMThttps://devzone.nordicsemi.com/thread/11138?ContentTypeID=1Mon, 30 Jun 2014 10:00:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:23a6ff2d-16a0-484c-8e9e-ccc51f317c46Tepasse<p>I have a other idea: 2 redundant fash aeras. About every year reflash one aerea. Is that a way?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/11137?ContentTypeID=1Sat, 28 Jun 2014 09:15:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a30f7dd7-3bbf-46b6-8085-4c2fa67c3fefNick<p>Redundancy is your best option. Otherwise connect to an offchip memory.</p><div style="clear:both;"></div>