37VF020 Datasheet, Silicon Storage Technology

* Organized as 64K x8 / 128K x8 / 256K x8 / 512K x8
* 2.7-3.6V Read Operation
* Superior Reliability
  – Endurance: At least 1000 Cycles
&n.

these devices are offered with an endurance of at least 1000 cycles. Data retention is rated at greater than 100 years..