Datasheet

XC164-32
Derivatives
Package and Reliability
Data Sheet 78 V1.1, 2006-08
5.2 Flash Memory Parameters
The data retention time of the XC164CS’s Flash memory (i.e. the time after which stored
data can still be retrieved) depends on the number of times the Flash memory has been
erased and programmed.
Table 24 Flash Parameters (XC164CS, 256 Kbytes)
Parameter Symbol Limit Values Unit Notes
Min. Max.
Data retention time t
RET
15 years Max. 10
3
erase/program
cycles
Flash Erase Endurance
N
ER
20 × 10
3
––Max. data
retention time
5years